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

3 <p>The square root of 17 is the inverse operation of squaring a value “y” such that when “y” is multiplied by itself → y ⤫ y, the result is 17. It contains both positive and a negative root, where the positive root is called the principal square root.</p>

4 <h2>What Is the Square Root of 17?</h2>

5 <p>The<a>square</a>root<a>of</a>17 is ±4.12310562562. The positive value,4.12310562562 is the solution of the<a>equation</a>x2 = 17. As defined, the square root is just the inverse of squaring a<a>number</a>, so, squaring 4.12310562562 will result in 17. The square root of 17 is expressed as √17 in radical form, where the ‘√’ sign is called “radical” sign. In<a>exponential form</a>, it is written as (17)1/2 </p>

6 <h3>Finding the Square Root of 17</h3>

7 <p>We can find the<a>square root</a>of 17 through various methods. They are:</p>

8 <p><a>i</a>) Prime factorization method</p>

9 <p>ii) Long<a>division</a>method</p>

10 <p>iii) Approximation/Estimation method </p>

11 <h3>Square Root of 17 By Prime Factorization Method</h3>

12 <p>The<a>prime factorization</a>of 17 involves breaking down a number into its<a>factors</a>. Divide 17 by<a>prime numbers</a>, and continue to divide the quotients until they can’t be separated anymore. After factorizing 17, make pairs out of the factors to get the square root. If there exists numbers which cannot be made pairs further, we place those numbers with a “radical” sign along with the obtained pairs</p>

13 <p>So, Prime factorization of 17 =17 × 1 </p>

14 <p>for 17, no pairs of factors are obtained, but a single 17 is obtained.</p>

15 <p>So, it can be expressed as √17 = √(17 × 1) = √17</p>

16 <p>√17 is the simplest radical form of √17</p>

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19 <h3>Square Root of 17 by Long Division Method</h3>

18 <h3>Square Root of 17 by Long Division Method</h3>

20 <p>This is a method used for obtaining the square root for non-<a>perfect squares</a>, mainly. It usually involves the division of the<a>dividend</a>by the<a>divisor</a>, getting a<a>quotient</a>and a<a>remainder</a>too sometimes.</p>

19 <p>This is a method used for obtaining the square root for non-<a>perfect squares</a>, mainly. It usually involves the division of the<a>dividend</a>by the<a>divisor</a>, getting a<a>quotient</a>and a<a>remainder</a>too sometimes.</p>

21 <p>Follow the steps to calculate the square root of 17:</p>

20 <p>Follow the steps to calculate the square root of 17:</p>

22 <p><strong>Step 1 :</strong>Write the number 17, and draw a bar above the pair of digits from right to left.</p>

21 <p><strong>Step 1 :</strong>Write the number 17, and draw a bar above the pair of digits from right to left.</p>

23 <p> <strong>Step 2 :</strong>Now, find the greatest number whose square is<a>less than</a>or equal to 17. Here, it is 4, Because 42=16 < 17</p>

22 <p> <strong>Step 2 :</strong>Now, find the greatest number whose square is<a>less than</a>or equal to 17. Here, it is 4, Because 42=16 < 17</p>

24 <p><strong>Step 3 :</strong>Now divide 17 by 4 (the number we got from Step 2) such that we get 4 as quotient, and we get a remainder. Double the divisor 4, we get 8 and then the largest possible number A1=1 is chosen such that when 1 is written beside the new divisor, 8, a 2-digit number is formed →81 and multiplying 1 with 81 gives 81 which is less than 100.</p>

23 <p><strong>Step 3 :</strong>Now divide 17 by 4 (the number we got from Step 2) such that we get 4 as quotient, and we get a remainder. Double the divisor 4, we get 8 and then the largest possible number A1=1 is chosen such that when 1 is written beside the new divisor, 8, a 2-digit number is formed →81 and multiplying 1 with 81 gives 81 which is less than 100.</p>

25 <p>Repeat the process until you reach remainder 0</p>

24 <p>Repeat the process until you reach remainder 0</p>

26 <p>We are left with the remainder, 871 (refer to the picture), after some iterations and keeping the division till here, at this point </p>

25 <p>We are left with the remainder, 871 (refer to the picture), after some iterations and keeping the division till here, at this point </p>

27 <p> <strong>Step 4 :</strong>The quotient obtained is the square root. In this case, it is 4.123…</p>

26 <p> <strong>Step 4 :</strong>The quotient obtained is the square root. In this case, it is 4.123…</p>

28 <h3>Square Root of 11 by Approximation Method</h3>

27 <h3>Square Root of 11 by Approximation Method</h3>

29 <p>Approximation or<a>estimation</a>of square root is not the exact square root, but it is an estimate.</p>

28 <p>Approximation or<a>estimation</a>of square root is not the exact square root, but it is an estimate.</p>

30 <p>Here, through this method, an approximate value of square root is found by guessing.</p>

29 <p>Here, through this method, an approximate value of square root is found by guessing.</p>

31 <p>Follow the steps below:</p>

30 <p>Follow the steps below:</p>

32 <p><strong>Step 1 :</strong>Identify the square roots of the perfect squares above and below 17</p>

31 <p><strong>Step 1 :</strong>Identify the square roots of the perfect squares above and below 17</p>

33 <p>Below : 16→ square root of 16 = 4 ……..(i)</p>

32 <p>Below : 16→ square root of 16 = 4 ……..(i)</p>

34 <p> Above : 25 →square root of 25= 5 ……..(ii)</p>

33 <p> Above : 25 →square root of 25= 5 ……..(ii)</p>

35 <p><strong>Step 2 :</strong>Divide 17 with one of 4 or 5</p>

34 <p><strong>Step 2 :</strong>Divide 17 with one of 4 or 5</p>

36 <p> If we choose 4, and divide 17 by 4, we get 4.25 …….(iii)</p>

35 <p> If we choose 4, and divide 17 by 4, we get 4.25 …….(iii)</p>

37 <p> Step 3: Find the<a>average</a>of 4 (from (i)) and 4.25 (from (iii))</p>

36 <p> Step 3: Find the<a>average</a>of 4 (from (i)) and 4.25 (from (iii))</p>

38 <p> (4+4.25)/2 = 4.125</p>

37 <p> (4+4.25)/2 = 4.125</p>

39 <p> Hence, 4.125 is the approximate square root of 17 </p>

38 <p> Hence, 4.125 is the approximate square root of 17 </p>

40 <h2>Common Mistakes and How to Avoid Them in the Square Root of 17</h2>

39 <h2>Common Mistakes and How to Avoid Them in the Square Root of 17</h2>

41 <p>When we find the square root of 17, we often make some key mistakes, especially when we solve problems related to that. So, let’s see some common mistakes and their solutions.</p>

40 <p>When we find the square root of 17, we often make some key mistakes, especially when we solve problems related to that. So, let’s see some common mistakes and their solutions.</p>

41 + <h2>Download Worksheets</h2>

42 <h3>Problem 1</h3>

43 <p>Simplify 5√17?</p>

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

45 <p>5√17 = 5⤬√17</p>

46 <p>= 5⤬4.123</p>

47 <p>= 20.615</p>

48 <p>Answer : 20.615 </p>

49 <h3>Explanation</h3>

50 <p>√17= 4.123, so multiplying the square root value with 5 </p>

51 <p>Well explained 👍</p>

52 <h3>Problem 2</h3>

53 <p>What is √11 + √17 ?</p>

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

55 <p> √11+ √17= 3.316+ 4.123</p>

56 <p>= 7.439</p>

57 <p>Answer: 7.439 </p>

58 <h3>Explanation</h3>

59 <p>adding the square root value of 11 with that of square root value of 17. </p>

60 <p>Well explained 👍</p>

61 <h3>Problem 3</h3>

62 <p>Find the value of√17 /√16?</p>

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

64 <p>√17/√16</p>

65 <p>= 4.123 / 4</p>

66 <p>= 1.03075</p>

67 <p>Answer: 1.03075 </p>

68 <h3>Explanation</h3>

69 <p>we divide √17 by the value of √16 </p>

70 <p>Well explained 👍</p>

71 <h3>Problem 4</h3>

72 <p>If y=√17, find y²</p>

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

74 <p>firstly, y=√17= 4.123</p>

75 <p>Now, squaring y, we get, </p>

76 <p>y2= (4.123)2=17</p>

77 <p>or, y2=17</p>

78 <p>Answer : 17 </p>

79 <h3>Explanation</h3>

80 <p>squaring “y” which is same as squaring the value of √17 resulted to 17 </p>

81 <p>Well explained 👍</p>

82 <h3>Problem 5</h3>

83 <p>Find √17 - √9</p>

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

85 <p> √17-√9 = 4.123-3 = 1.123</p>

86 <p>Answer : 1.123 </p>

87 <h3>Explanation</h3>

88 <p>subtracting the square root value of 9 from square root value of 17 </p>

89 <p>Well explained 👍</p>

90 <h2>FAQs on 17 Square Root</h2>

91 <h3>1.Is 17 a perfect cube?</h3>

92 <h3>2.Is √17 a complex number?</h3>

93 <h3>3.Is 17 a perfect square or non-perfect square?</h3>

94 <p>17 is a non-perfect square, since 17 =(4.12310562562) 2. </p>

95 <h3>4.Is the square root of 17 a rational or irrational number?</h3>

96 <p>The square root of 17 is ±4.12310562562. So, 4.12310562562 is an<a>irrational number</a>, since it cannot be obtained by dividing two<a>integers</a>and cannot be written in the form p/q, where p and q are integers.</p>

97 <h3>5. How would you represent √17 on a number line?</h3>

98 <p>we can locate √17 on a<a>number line</a>. It is between 4 and 5 but more close to 4, precisely between 4.0 and 4.2</p>

99 <h2>Important Glossaries for Square Root of 17</h2>

100 <ul><li><strong>Exponential form: </strong>An algebraic expression that includes an exponent. It is a way of expressing the numbers raised to some power of their factors. It includes continuous multiplication involving base and exponent.Ex: 3 ⤬ 3 ⤬ 3 ⤬ 3 = 81 Or, 3 4 = 81, where 3 is the base, 4 is the exponent </li>

101 </ul><ul><li><strong>Factorization: </strong>Expressing the given expression as a product of its factors Ex: 52=2 ⤬ 2 ⤬ 13 </li>

102 </ul><ul><li><strong>Prime Numbers : </strong>Numbers which are greater than 1, having only 2 factors as →1 and Itself. Ex: 1,3,5,7,....</li>

103 </ul><ul><li><strong>Rational numbers and Irrational numbers:</strong>The Number which can be expressed as p/q, where p and q are integers and q not equal to 0 are called Rational numbers. Numbers which cannot be expressed as p/q, where p and q are integers and q not equal to 0 are called Irrational numbers.</li>

104 </ul><ul><li><strong>Perfect and non-perfect square numbers:</strong>Perfect square numbers are those numbers whose square roots do not include decimal places. Ex: 4,9,25 Non-perfect square numbers are those numbers whose square roots comprise decimal places. Ex :2, 8, 18</li>

105 </ul><p>What Is Algebra? 🧮 | Simple Explanation with 🎯 Cool Examples for Kids | ✨BrightCHAMPS Math</p>

106 <p>▶</p>

107 <h2>Jaskaran Singh Saluja</h2>

108 <h3>About the Author</h3>

109 <p>Jaskaran Singh Saluja is a math wizard with nearly three years of experience as a math teacher. His expertise is in algebra, so he can make algebra classes interesting by turning tricky equations into simple puzzles.</p>

110 <h3>Fun Fact</h3>

111 <p>: He loves to play the quiz with kids through algebra to make kids love it.</p>