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1 - <p>124 Learners</p>

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2 <p>Last updated on<strong>October 16, 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 68 and 34.</p>

4 <h2>What is the GCF of 68 and 34?</h2>

5 <p>The<a>greatest common factor</a>of 68 and 34 is 34.</p>

6 <p>The largest<a>divisor</a>of two or more<a>numbers</a>is called the GCF of the number.</p>

7 <p>If two numbers are co-prime, they have no common factors other than 1, so their GCF is 1.</p>

8 <p>The GCF of two numbers cannot be negative because divisors are always positive.</p>

9 <h2>How to find the GCF of 68 and 34?</h2>

10 <p>To find the GCF of 68 and 34, a few methods are described below -</p>

11 <p>Listing Factors Prime Factorization Long Division Method / by Euclidean Algorithm</p>

12 <h2>GCF of 68 and 34 by Using Listing of factors</h2>

13 <p>Steps to find the GCF of 68 and 34 using the listing of<a>factors</a></p>

14 <p>Step 1: Firstly, list the factors of each number Factors of 68 = 1, 2, 4, 17, 34, 68. Factors of 34 = 1, 2, 17, 34.</p>

15 <p>Step 2: Now, identify the<a>common factors</a>of them Common factors of 68 and 34: 1, 2, 17, 34.</p>

16 <p>Step 3: Choose the largest factor The largest factor that both numbers have is 34.</p>

17 <p>The GCF of 68 and 34 is 34.</p>

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20 <h2>GCF of 68 and 34 Using Prime Factorization</h2>

19 <h2>GCF of 68 and 34 Using Prime Factorization</h2>

21 <p>To find the GCF of 68 and 34 using the Prime Factorization Method, follow these steps:</p>

20 <p>To find the GCF of 68 and 34 using the Prime Factorization Method, follow these steps:</p>

22 <p>Step 1: Find the<a>prime factors</a>of each number Prime Factors of 68: 68 = 2 x 2 x 17 = 2² x 17 Prime Factors of 34: 34 = 2 x 17.</p>

21 <p>Step 1: Find the<a>prime factors</a>of each number Prime Factors of 68: 68 = 2 x 2 x 17 = 2² x 17 Prime Factors of 34: 34 = 2 x 17.</p>

23 <p>Step 2: Now, identify the common prime factors The common prime factors are: 2 x 17.</p>

22 <p>Step 2: Now, identify the common prime factors The common prime factors are: 2 x 17.</p>

24 <p>Step 3: Multiply the common prime factors 2 x 17 = 34.</p>

23 <p>Step 3: Multiply the common prime factors 2 x 17 = 34.</p>

25 <p>The Greatest Common Factor of 68 and 34 is 34.</p>

24 <p>The Greatest Common Factor of 68 and 34 is 34.</p>

26 <h2>GCF of 68 and 34 Using Division Method or Euclidean Algorithm Method</h2>

25 <h2>GCF of 68 and 34 Using Division Method or Euclidean Algorithm Method</h2>

27 <p>Find the GCF of 68 and 34 using the<a>division</a>method or Euclidean Algorithm Method.</p>

26 <p>Find the GCF of 68 and 34 using the<a>division</a>method or Euclidean Algorithm Method.</p>

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

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

29 <p>Step 1: First, divide the larger number by the smaller number Here, divide 68 by 34 68 ÷ 34 = 2 (<a>quotient</a>), The<a>remainder</a>is calculated as 68 - (34 x 2) = 0, The remainder is zero, so the divisor will become the GCF.</p>

28 <p>Step 1: First, divide the larger number by the smaller number Here, divide 68 by 34 68 ÷ 34 = 2 (<a>quotient</a>), The<a>remainder</a>is calculated as 68 - (34 x 2) = 0, The remainder is zero, so the divisor will become the GCF.</p>

30 <p>The GCF of 68 and 34 is 34.</p>

29 <p>The GCF of 68 and 34 is 34.</p>

31 <h2>Common Mistakes and How to Avoid Them in GCF of 68 and 34</h2>

30 <h2>Common Mistakes and How to Avoid Them in GCF of 68 and 34</h2>

32 <p>Finding GCF of 68 and 34 looks simple, but students often make mistakes while calculating the GCF.</p>

31 <p>Finding GCF of 68 and 34 looks simple, but students often make mistakes while calculating the GCF.</p>

33 <p>Here are some common mistakes to be avoided by the students.</p>

32 <p>Here are some common mistakes to be avoided by the students.</p>

34 <h3>Problem 1</h3>

33 <h3>Problem 1</h3>

35 <p>A gardener has 68 roses and 34 tulips. She wants to create bouquets with an equal number of flowers, using the largest possible number of flowers in each bouquet. How many flowers will be in each bouquet?</p>

34 <p>A gardener has 68 roses and 34 tulips. She wants to create bouquets with an equal number of flowers, using the largest possible number of flowers in each bouquet. How many flowers will be in each bouquet?</p>

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

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

37 <p>We should find the GCF of 68 and 34 GCF of 68 and 34 2 x 17 = 34.</p>

36 <p>We should find the GCF of 68 and 34 GCF of 68 and 34 2 x 17 = 34.</p>

38 <p>There are 34 equal bouquets 68 ÷ 34 = 2 34 ÷ 34 = 1.</p>

37 <p>There are 34 equal bouquets 68 ÷ 34 = 2 34 ÷ 34 = 1.</p>

39 <p>There will be 34 bouquets, and each bouquet gets 2 roses and 1 tulip.</p>

38 <p>There will be 34 bouquets, and each bouquet gets 2 roses and 1 tulip.</p>

40 <h3>Explanation</h3>

39 <h3>Explanation</h3>

41 <p>As the GCF of 68 and 34 is 34, the gardener can make 34 bouquets.</p>

40 <p>As the GCF of 68 and 34 is 34, the gardener can make 34 bouquets.</p>

42 <p>Now divide 68 and 34 by 34.</p>

41 <p>Now divide 68 and 34 by 34.</p>

43 <p>Each bouquet gets 2 roses and 1 tulip.</p>

42 <p>Each bouquet gets 2 roses and 1 tulip.</p>

44 <p>Well explained 👍</p>

43 <p>Well explained 👍</p>

45 <h3>Problem 2</h3>

44 <h3>Problem 2</h3>

46 <p>A school has 68 desks and 34 chairs. They want to arrange them in rows with the same number of desks and chairs in each row, using the largest possible number of items per row. How many items will be in each row?</p>

45 <p>A school has 68 desks and 34 chairs. They want to arrange them in rows with the same number of desks and chairs in each row, using the largest possible number of items per row. How many items will be in each row?</p>

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

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

48 <p>GCF of 68 and 34 2 x 17 = 34.</p>

47 <p>GCF of 68 and 34 2 x 17 = 34.</p>

49 <p>So each row will have 34 items.</p>

48 <p>So each row will have 34 items.</p>

50 <h3>Explanation</h3>

49 <h3>Explanation</h3>

51 <p>There are 68 desks and 34 chairs.</p>

50 <p>There are 68 desks and 34 chairs.</p>

52 <p>To find the total number of items in each row, we should find the GCF of 68 and 34.</p>

51 <p>To find the total number of items in each row, we should find the GCF of 68 and 34.</p>

53 <p>There will be 34 items in each row.</p>

52 <p>There will be 34 items in each row.</p>

54 <p>Well explained 👍</p>

53 <p>Well explained 👍</p>

55 <h3>Problem 3</h3>

54 <h3>Problem 3</h3>

56 <p>A painter has 68 meters of red tape and 34 meters of blue tape. She wants to cut both tapes into pieces of equal length, using the longest possible length. What should be the length of each piece?</p>

55 <p>A painter has 68 meters of red tape and 34 meters of blue tape. She wants to cut both tapes into pieces of equal length, using the longest possible length. What should be the length of each piece?</p>

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

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

58 <p>For calculating the longest equal length, we have to calculate the GCF of 68 and 34, The GCF of 68 and 34 2 x 17 = 34.</p>

57 <p>For calculating the longest equal length, we have to calculate the GCF of 68 and 34, The GCF of 68 and 34 2 x 17 = 34.</p>

59 <p>The tape is 34 meters long.</p>

58 <p>The tape is 34 meters long.</p>

60 <h3>Explanation</h3>

59 <h3>Explanation</h3>

61 <p>For calculating the longest length of the tape first, we need to calculate the GCF of 68 and 34, which is 34.</p>

60 <p>For calculating the longest length of the tape first, we need to calculate the GCF of 68 and 34, which is 34.</p>

62 <p>The length of each piece of tape will be 34 meters.</p>

61 <p>The length of each piece of tape will be 34 meters.</p>

63 <p>Well explained 👍</p>

62 <p>Well explained 👍</p>

64 <h3>Problem 4</h3>

63 <h3>Problem 4</h3>

65 <p>A carpenter has two wooden planks, one 68 cm long and the other 34 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>

64 <p>A carpenter has two wooden planks, one 68 cm long and the other 34 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>

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

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

67 <p>The carpenter needs the longest piece of wood GCF of 68 and 34 2 x 17 = 34.</p>

66 <p>The carpenter needs the longest piece of wood GCF of 68 and 34 2 x 17 = 34.</p>

68 <p>The longest length of each piece is 34 cm.</p>

67 <p>The longest length of each piece is 34 cm.</p>

69 <h3>Explanation</h3>

68 <h3>Explanation</h3>

70 <p>To find the longest length of each piece of the two wooden planks, 68 cm and 34 cm, respectively, we have to find the GCF of 68 and 34, which is 34 cm.</p>

69 <p>To find the longest length of each piece of the two wooden planks, 68 cm and 34 cm, respectively, we have to find the GCF of 68 and 34, which is 34 cm.</p>

71 <p>The longest length of each piece is 34 cm.</p>

70 <p>The longest length of each piece is 34 cm.</p>

72 <p>Well explained 👍</p>

71 <p>Well explained 👍</p>

73 <h3>Problem 5</h3>

72 <h3>Problem 5</h3>

74 <p>If the GCF of 68 and ‘b’ is 34, and the LCM is 136, find ‘b’.</p>

73 <p>If the GCF of 68 and ‘b’ is 34, and the LCM is 136, find ‘b’.</p>

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

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

76 <p>The value of ‘b’ is 68.</p>

75 <p>The value of ‘b’ is 68.</p>

77 <h3>Explanation</h3>

76 <h3>Explanation</h3>

78 <p>GCF x LCM = product of the numbers 34 x 136 = 68 x b 4624 = 68b b = 4624 ÷ 68 = 68</p>

77 <p>GCF x LCM = product of the numbers 34 x 136 = 68 x b 4624 = 68b b = 4624 ÷ 68 = 68</p>

79 <p>Well explained 👍</p>

78 <p>Well explained 👍</p>

80 <h2>FAQs on the Greatest Common Factor of 68 and 34</h2>

79 <h2>FAQs on the Greatest Common Factor of 68 and 34</h2>

81 <h3>1.What is the LCM of 68 and 34?</h3>

80 <h3>1.What is the LCM of 68 and 34?</h3>

82 <p>The LCM of 68 and 34 is 68.</p>

81 <p>The LCM of 68 and 34 is 68.</p>

83 <h3>2.Is 68 divisible by 2?</h3>

82 <h3>2.Is 68 divisible by 2?</h3>

84 <p>Yes, 68 is divisible by 2 because it is an even number.</p>

83 <p>Yes, 68 is divisible by 2 because it is an even number.</p>

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

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

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

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

87 <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>

86 <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>

88 <h3>4.What is the prime factorization of 34?</h3>

87 <h3>4.What is the prime factorization of 34?</h3>

89 <p>The prime factorization of 34 is 2 x 17.</p>

88 <p>The prime factorization of 34 is 2 x 17.</p>

90 <h3>5.Are 68 and 34 prime numbers?</h3>

89 <h3>5.Are 68 and 34 prime numbers?</h3>

91 <p>No, 68 and 34 are not prime numbers because both of them have more than two factors.</p>

90 <p>No, 68 and 34 are not prime numbers because both of them have more than two factors.</p>

92 <h2>Important Glossaries for GCF of 68 and 34</h2>

91 <h2>Important Glossaries for GCF of 68 and 34</h2>

93 <ul><li><strong>Factors</strong>: Factors are numbers that divide the target number completely. For example, the factors of 34 are 1, 2, 17, and 34.</li>

92 <ul><li><strong>Factors</strong>: Factors are numbers that divide the target number completely. For example, the factors of 34 are 1, 2, 17, and 34.</li>

94 </ul><ul><li><strong>Multiple</strong>: Multiples are the products we get by multiplying a given number by another. For example, the multiples of 4 are 4, 8, 12, 16, 20, and so on.</li>

93 </ul><ul><li><strong>Multiple</strong>: Multiples are the products we get by multiplying a given number by another. For example, the multiples of 4 are 4, 8, 12, 16, 20, and so on.</li>

95 </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 68 are 2 and 17.</li>

94 </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 68 are 2 and 17.</li>

96 </ul><ul><li><strong>Remainder</strong>: The value left after division when the number cannot be divided evenly. For example, when 12 is divided by 7, the remainder is 5, and the quotient is 1.</li>

95 </ul><ul><li><strong>Remainder</strong>: The value left after division when the number cannot be divided evenly. For example, when 12 is divided by 7, the remainder is 5, and the quotient is 1.</li>

97 </ul><ul><li><strong>LCM</strong>: The smallest common multiple of two or more numbers is termed LCM. For example, the LCM of 68 and 34 is 68.</li>

96 </ul><ul><li><strong>LCM</strong>: The smallest common multiple of two or more numbers is termed LCM. For example, the LCM of 68 and 34 is 68.</li>

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

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

99 <p>▶</p>

98 <p>▶</p>

100 <h2>Hiralee Lalitkumar Makwana</h2>

99 <h2>Hiralee Lalitkumar Makwana</h2>

101 <h3>About the Author</h3>

100 <h3>About the Author</h3>

102 <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>

101 <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>

103 <h3>Fun Fact</h3>

102 <h3>Fun Fact</h3>

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

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