What is the Greatest Common Factor of 61257 and 61272?

Greatest common factor (GCF) of 61257 and 61272 is 3.

GCF(61257,61272) = 3

We will now calculate the prime factors of 61257 and 61272, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61257 and 61272.

How to find the GCF of 61257 and 61272?

We will first find the prime factorization of 61257 and 61272. After we will calculate the factors of 61257 and 61272 and find the biggest common factor number .

Step-1: Prime Factorization of 61257

Prime factors of 61257 are 3, 7, 2917. Prime factorization of 61257 in exponential form is:

61257 = 3¹ × 7¹ × 2917¹

Step-2: Prime Factorization of 61272

Prime factors of 61272 are 2, 3, 23, 37. Prime factorization of 61272 in exponential form is:

61272 = 2³ × 3² × 23¹ × 37¹

Step-3: Factors of 61257

List of positive integer factors of 61257 that divides 61257 without a remainder.

1, 3, 7, 21, 2917, 8751, 20419

Step-4: Factors of 61272

List of positive integer factors of 61272 that divides 61257 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 37, 46, 69, 72, 74, 92, 111, 138, 148, 184, 207, 222, 276, 296, 333, 414, 444, 552, 666, 828, 851, 888, 1332, 1656, 1702, 2553, 2664, 3404, 5106, 6808, 7659, 10212, 15318, 20424, 30636

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61257 and 61272. The biggest common factor number is the GCF number.
So the greatest common factor 61257 and 61272 is 3.

Also check out the Least Common Multiple of 61257 and 61272