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2 <p>Last updated on<strong>August 5, 2025</strong></p>

3 <p>The GCF is the largest number that can divide two or more numbers without leaving any remainder. GCF is used to share the items equally, to group or arrange items, and schedule events. In this topic, we will learn about the GCF of 14 and 70.</p>

4 <h2>What is the GCF of 14 and 70?</h2>

5 <p>The<a>greatest common factor</a>of 14 and 70 is 14. The largest<a>divisor</a>of two or more<a>numbers</a>is called the GCF of the number. If two numbers are co-prime, they have no common factors other than 1, so their GCF is 1. The GCF of two numbers cannot be negative because divisors are always positive.</p>

6 <h2>How to find the GCF of 14 and 70?</h2>

7 <p>To find the GCF of 14 and 70, a few methods are described below:</p>

8 <ul><li>Listing Factors</li>

9 <li>Prime Factorization</li>

10 <li>Long Division Method / by Euclidean Algorithm</li>

11 </ul><h2>GCF of 14 and 70 by Using Listing of factors</h2>

12 <p>Steps to find the GCF of 14 and 70 using the listing of<a>factors</a></p>

13 <p><strong>Step 1:</strong>Firstly, list the factors of each number</p>

14 <p>Factors of 14 = 1, 2, 7, 14.</p>

15 <p>Factors of 70 = 1, 2, 5, 7, 10, 14, 35, 70.</p>

16 <p><strong>Step 2:</strong>Now, identify the<a>common factors</a>of them</p>

17 <p>Common factors of 14 and 70: 1, 2, 7, 14.</p>

18 <p><strong>Step 3:</strong>Choose the largest factor</p>

19 <p>The largest factor that both numbers have is 14.</p>

20 <p>The GCF of 14 and 70 is 14.</p>

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23 <h2>GCF of 14 and 70 Using Prime Factorization</h2>

22 <h2>GCF of 14 and 70 Using Prime Factorization</h2>

24 <p>To find the GCF of 14 and 70 using the Prime Factorization Method, follow these steps:</p>

23 <p>To find the GCF of 14 and 70 using the Prime Factorization Method, follow these steps:</p>

25 <p><strong>Step 1:</strong>Find the<a>prime factors</a>of each number</p>

24 <p><strong>Step 1:</strong>Find the<a>prime factors</a>of each number</p>

26 <p>Prime Factors of 14: 14 = 2 x 7</p>

25 <p>Prime Factors of 14: 14 = 2 x 7</p>

27 <p>Prime Factors of 70: 70 = 2 x 5 x 7</p>

26 <p>Prime Factors of 70: 70 = 2 x 5 x 7</p>

28 <p><strong>Step 2:</strong>Now, identify the common prime factors</p>

27 <p><strong>Step 2:</strong>Now, identify the common prime factors</p>

29 <p>The common prime factors are: 2 x 7</p>

28 <p>The common prime factors are: 2 x 7</p>

30 <p><strong>Step 3:</strong>Multiply the common prime factors</p>

29 <p><strong>Step 3:</strong>Multiply the common prime factors</p>

31 <p>2 x 7 = 14.</p>

30 <p>2 x 7 = 14.</p>

32 <p>The Greatest Common Factor of 14 and 70 is 14.</p>

31 <p>The Greatest Common Factor of 14 and 70 is 14.</p>

33 <h2>GCF of 14 and 70 Using Division Method or Euclidean Algorithm Method</h2>

32 <h2>GCF of 14 and 70 Using Division Method or Euclidean Algorithm Method</h2>

34 <p>Find the GCF of 14 and 70 using the Division Method or Euclidean Algorithm Method</p>

33 <p>Find the GCF of 14 and 70 using the Division Method or Euclidean Algorithm Method</p>

35 <p>Follow these steps:</p>

34 <p>Follow these steps:</p>

36 <p><strong>Step 1:</strong>First, divide the larger number by the smaller number</p>

35 <p><strong>Step 1:</strong>First, divide the larger number by the smaller number</p>

37 <p>Here, divide 70 by 14</p>

36 <p>Here, divide 70 by 14</p>

38 <p>70 ÷ 14 = 5 (<a>quotient</a>)</p>

37 <p>70 ÷ 14 = 5 (<a>quotient</a>)</p>

39 <p>The<a>remainder</a>is calculated as 70 - (14×5) = 0</p>

38 <p>The<a>remainder</a>is calculated as 70 - (14×5) = 0</p>

40 <p>Since the remainder is zero, the divisor becomes the GCF.</p>

39 <p>Since the remainder is zero, the divisor becomes the GCF.</p>

41 <p>The GCF of 14 and 70 is 14.</p>

40 <p>The GCF of 14 and 70 is 14.</p>

42 <h2>Common Mistakes and How to Avoid Them in GCF of 14 and 70</h2>

41 <h2>Common Mistakes and How to Avoid Them in GCF of 14 and 70</h2>

43 <p>Finding GCF of 14 and 70 looks simple, but students often make mistakes while calculating the GCF. Here are some common mistakes to be avoided by the students.</p>

42 <p>Finding GCF of 14 and 70 looks simple, but students often make mistakes while calculating the GCF. Here are some common mistakes to be avoided by the students.</p>

44 <h3>Problem 1</h3>

43 <h3>Problem 1</h3>

45 <p>A gardener has 14 rose plants and 70 tulip plants. She wants to group them into equal sets with the largest number of plants in each group. How many plants will be in each group?</p>

44 <p>A gardener has 14 rose plants and 70 tulip plants. She wants to group them into equal sets with the largest number of plants in each group. How many plants will be in each group?</p>

46 <p>Okay, lets begin</p>

45 <p>Okay, lets begin</p>

47 <p>We should find the GCF of 14 and 70</p>

46 <p>We should find the GCF of 14 and 70</p>

48 <p>GCF of 14 and 70</p>

47 <p>GCF of 14 and 70</p>

49 <p>2 x 7 = 14.</p>

48 <p>2 x 7 = 14.</p>

50 <p>There are 14 equal groups</p>

49 <p>There are 14 equal groups</p>

51 <p>14 ÷ 14 = 1</p>

50 <p>14 ÷ 14 = 1</p>

52 <p>70 ÷ 14 = 5</p>

51 <p>70 ÷ 14 = 5</p>

53 <p>There will be 14 groups, and each group gets 1 rose plant and 5 tulip plants.</p>

52 <p>There will be 14 groups, and each group gets 1 rose plant and 5 tulip plants.</p>

54 <h3>Explanation</h3>

53 <h3>Explanation</h3>

55 <p>As the GCF of 14 and 70 is 14, the gardener can make 14 groups.</p>

54 <p>As the GCF of 14 and 70 is 14, the gardener can make 14 groups.</p>

56 <p>Now divide 14 and 70 by 14.</p>

55 <p>Now divide 14 and 70 by 14.</p>

57 <p>Each group gets 1 rose plant and 5 tulip plants.</p>

56 <p>Each group gets 1 rose plant and 5 tulip plants.</p>

58 <p>Well explained 👍</p>

57 <p>Well explained 👍</p>

59 <h3>Problem 2</h3>

58 <h3>Problem 2</h3>

60 <p>A school has 14 red chairs and 70 blue chairs. They want to arrange them in rows with the same number of chairs in each row, using the largest possible number of chairs per row. How many chairs will be in each row?</p>

59 <p>A school has 14 red chairs and 70 blue chairs. They want to arrange them in rows with the same number of chairs in each row, using the largest possible number of chairs per row. How many chairs will be in each row?</p>

61 <p>Okay, lets begin</p>

60 <p>Okay, lets begin</p>

62 <p>GCF of 14 and 70</p>

61 <p>GCF of 14 and 70</p>

63 <p>2 x 7 = 14.</p>

62 <p>2 x 7 = 14.</p>

64 <p>So each row will have 14 chairs.</p>

63 <p>So each row will have 14 chairs.</p>

65 <h3>Explanation</h3>

64 <h3>Explanation</h3>

66 <p>There are 14 red and 70 blue chairs.</p>

65 <p>There are 14 red and 70 blue chairs.</p>

67 <p>To find the total number of chairs in each row, we should find the GCF of 14 and 70.</p>

66 <p>To find the total number of chairs in each row, we should find the GCF of 14 and 70.</p>

68 <p>There will be 14 chairs in each row.</p>

67 <p>There will be 14 chairs in each row.</p>

69 <p>Well explained 👍</p>

68 <p>Well explained 👍</p>

70 <h3>Problem 3</h3>

69 <h3>Problem 3</h3>

71 <p>A tailor has 14 meters of red ribbon and 70 meters of blue ribbon. She wants to cut both ribbons into pieces of equal length, using the longest possible length. What should be the length of each piece?</p>

70 <p>A tailor has 14 meters of red ribbon and 70 meters of blue ribbon. She wants to cut both ribbons into pieces of equal length, using the longest possible length. What should be the length of each piece?</p>

72 <p>Okay, lets begin</p>

71 <p>Okay, lets begin</p>

73 <p>For calculating the longest equal length, we have to calculate the GCF of 14 and 70</p>

72 <p>For calculating the longest equal length, we have to calculate the GCF of 14 and 70</p>

74 <p>The GCF of 14 and 70</p>

73 <p>The GCF of 14 and 70</p>

75 <p>2 x 7 = 14.</p>

74 <p>2 x 7 = 14.</p>

76 <p>The ribbon is 14 meters long.</p>

75 <p>The ribbon is 14 meters long.</p>

77 <h3>Explanation</h3>

76 <h3>Explanation</h3>

78 <p>For calculating the longest length of the ribbon first we need to calculate the GCF of 14 and 70 which is 14.</p>

77 <p>For calculating the longest length of the ribbon first we need to calculate the GCF of 14 and 70 which is 14.</p>

79 <p>The length of each piece of the ribbon will be 14 meters.</p>

78 <p>The length of each piece of the ribbon will be 14 meters.</p>

80 <p>Well explained 👍</p>

79 <p>Well explained 👍</p>

81 <h3>Problem 4</h3>

80 <h3>Problem 4</h3>

82 <p>A carpenter has two wooden planks, one 14 cm long and the other 70 cm long. He wants to cut them into the longest possible equal pieces, without any wood left over. What should be the length of each piece?</p>

81 <p>A carpenter has two wooden planks, one 14 cm long and the other 70 cm long. He wants to cut them into the longest possible equal pieces, without any wood left over. What should be the length of each piece?</p>

83 <p>Okay, lets begin</p>

82 <p>Okay, lets begin</p>

84 <p>The carpenter needs the longest piece of wood</p>

83 <p>The carpenter needs the longest piece of wood</p>

85 <p>GCF of 14 and 70</p>

84 <p>GCF of 14 and 70</p>

86 <p>2 x 7 = 14.</p>

85 <p>2 x 7 = 14.</p>

87 <p>The longest length of each piece is 14 cm.</p>

86 <p>The longest length of each piece is 14 cm.</p>

88 <h3>Explanation</h3>

87 <h3>Explanation</h3>

89 <p>To find the longest length of each piece of the two wooden planks, 14 cm and 70 cm, respectively.</p>

88 <p>To find the longest length of each piece of the two wooden planks, 14 cm and 70 cm, respectively.</p>

90 <p>We have to find the GCF of 14 and 70, which is 14 cm.</p>

89 <p>We have to find the GCF of 14 and 70, which is 14 cm.</p>

91 <p>The longest length of each piece is 14 cm.</p>

90 <p>The longest length of each piece is 14 cm.</p>

92 <p>Well explained 👍</p>

91 <p>Well explained 👍</p>

93 <h3>Problem 5</h3>

92 <h3>Problem 5</h3>

94 <p>If the GCF of 14 and ‘a’ is 14, and the LCM is 140. Find ‘a’.</p>

93 <p>If the GCF of 14 and ‘a’ is 14, and the LCM is 140. Find ‘a’.</p>

95 <p>Okay, lets begin</p>

94 <p>Okay, lets begin</p>

96 <p>The value of ‘a’ is 70.</p>

95 <p>The value of ‘a’ is 70.</p>

97 <h3>Explanation</h3>

96 <h3>Explanation</h3>

98 <p>GCF x LCM = product of the numbers</p>

97 <p>GCF x LCM = product of the numbers</p>

99 <p>14 x 140 = 14 x a</p>

98 <p>14 x 140 = 14 x a</p>

100 <p>1960 = 14a</p>

99 <p>1960 = 14a</p>

101 <p>a = 1960 ÷ 14 = 140</p>

100 <p>a = 1960 ÷ 14 = 140</p>

102 <p>Well explained 👍</p>

101 <p>Well explained 👍</p>

103 <h2>FAQs on the Greatest Common Factor of 14 and 70</h2>

102 <h2>FAQs on the Greatest Common Factor of 14 and 70</h2>

104 <h3>1.What is the LCM of 14 and 70?</h3>

103 <h3>1.What is the LCM of 14 and 70?</h3>

105 <p>The LCM of 14 and 70 is 70.</p>

104 <p>The LCM of 14 and 70 is 70.</p>

106 <h3>2.Is 14 divisible by 2?</h3>

105 <h3>2.Is 14 divisible by 2?</h3>

107 <p>Yes, 14 is divisible by 2 because it is an even number.</p>

106 <p>Yes, 14 is divisible by 2 because it is an even number.</p>

108 <h3>3.What will be the GCF of any two prime numbers?</h3>

107 <h3>3.What will be the GCF of any two prime numbers?</h3>

109 <p>The common factor of<a>prime numbers</a>is 1 and the number itself.</p>

108 <p>The common factor of<a>prime numbers</a>is 1 and the number itself.</p>

110 <p>Since 1 is the only common factor of any two prime numbers, it is said to be the GCF of any two prime numbers.</p>

109 <p>Since 1 is the only common factor of any two prime numbers, it is said to be the GCF of any two prime numbers.</p>

111 <h3>4.What is the prime factorization of 70?</h3>

110 <h3>4.What is the prime factorization of 70?</h3>

112 <p>The prime factorization of 70 is 2 x 5 x 7.</p>

111 <p>The prime factorization of 70 is 2 x 5 x 7.</p>

113 <h3>5.Are 14 and 70 prime numbers?</h3>

112 <h3>5.Are 14 and 70 prime numbers?</h3>

114 <p>No, 14 and 70 are not prime numbers because both of them have more than two factors.</p>

113 <p>No, 14 and 70 are not prime numbers because both of them have more than two factors.</p>

115 <h2>Important Glossaries for GCF of 14 and 70</h2>

114 <h2>Important Glossaries for GCF of 14 and 70</h2>

116 <ul><li><strong>Factors</strong>: Factors are numbers that divide the target number completely. For example, the factors of 14 are 1, 2, 7, and 14.</li>

115 <ul><li><strong>Factors</strong>: Factors are numbers that divide the target number completely. For example, the factors of 14 are 1, 2, 7, and 14.</li>

117 </ul><ul><li><strong>Multiple</strong>: Multiples are the products we get by multiplying a given number by another. For example, the multiples of 7 are 7, 14, 21, 28, and so on.</li>

116 </ul><ul><li><strong>Multiple</strong>: Multiples are the products we get by multiplying a given number by another. For example, the multiples of 7 are 7, 14, 21, 28, and so on.</li>

118 </ul><ul><li><strong>Prime Factors</strong>: These are the factors of a number that are prime numbers and divide the given number completely. For example, the prime factors of 14 are 2 and 7.</li>

117 </ul><ul><li><strong>Prime Factors</strong>: These are the factors of a number that are prime numbers and divide the given number completely. For example, the prime factors of 14 are 2 and 7.</li>

119 </ul><ul><li><strong>Remainder</strong>: The value left after division when the number cannot be divided evenly. For example, when 70 is divided by 14, the remainder is 0 and the quotient is 5.</li>

118 </ul><ul><li><strong>Remainder</strong>: The value left after division when the number cannot be divided evenly. For example, when 70 is divided by 14, the remainder is 0 and the quotient is 5.</li>

120 </ul><ul><li><strong>LCM</strong>: The smallest common multiple of two or more numbers is termed LCM. For example, the LCM of 14 and 70 is 70.</li>

119 </ul><ul><li><strong>LCM</strong>: The smallest common multiple of two or more numbers is termed LCM. For example, the LCM of 14 and 70 is 70.</li>

121 </ul><p>What Are Numbers? 🔢 | Fun Explanation with 🎯 Real-Life Examples for Kids | ✨BrightCHAMPS Math</p>

120 </ul><p>What Are Numbers? 🔢 | Fun Explanation with 🎯 Real-Life Examples for Kids | ✨BrightCHAMPS Math</p>

122 <p>▶</p>

121 <p>▶</p>

123 <h2>Hiralee Lalitkumar Makwana</h2>

122 <h2>Hiralee Lalitkumar Makwana</h2>

124 <h3>About the Author</h3>

123 <h3>About the Author</h3>

125 <p>Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.</p>

124 <p>Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.</p>

126 <h3>Fun Fact</h3>

125 <h3>Fun Fact</h3>

127 <p>: She loves to read number jokes and games.</p>

126 <p>: She loves to read number jokes and games.</p>