What is the Greatest Common Factor of 61695 and 61710?

Greatest common factor (GCF) of 61695 and 61710 is 15.

GCF(61695,61710) = 15

We will now calculate the prime factors of 61695 and 61710, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61695 and 61710.

How to find the GCF of 61695 and 61710?

We will first find the prime factorization of 61695 and 61710. After we will calculate the factors of 61695 and 61710 and find the biggest common factor number .

Step-1: Prime Factorization of 61695

Prime factors of 61695 are 3, 5, 457. Prime factorization of 61695 in exponential form is:

61695 = 3³ × 5¹ × 457¹

Step-2: Prime Factorization of 61710

Prime factors of 61710 are 2, 3, 5, 11, 17. Prime factorization of 61710 in exponential form is:

61710 = 2¹ × 3¹ × 5¹ × 11² × 17¹

Step-3: Factors of 61695

List of positive integer factors of 61695 that divides 61695 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 457, 1371, 2285, 4113, 6855, 12339, 20565

Step-4: Factors of 61710

List of positive integer factors of 61710 that divides 61695 without a remainder.

1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 121, 165, 170, 187, 242, 255, 330, 363, 374, 510, 561, 605, 726, 935, 1122, 1210, 1815, 1870, 2057, 2805, 3630, 4114, 5610, 6171, 10285, 12342, 20570, 30855

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61695 and 61710. The biggest common factor number is the GCF number.
So the greatest common factor 61695 and 61710 is 15.

Also check out the Least Common Multiple of 61695 and 61710