What is the Greatest Common Factor of 57972 and 57981?

Greatest common factor (GCF) of 57972 and 57981 is 3.

GCF(57972,57981) = 3

We will now calculate the prime factors of 57972 and 57981, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57972 and 57981.

How to find the GCF of 57972 and 57981?

We will first find the prime factorization of 57972 and 57981. After we will calculate the factors of 57972 and 57981 and find the biggest common factor number .

Step-1: Prime Factorization of 57972

Prime factors of 57972 are 2, 3, 4831. Prime factorization of 57972 in exponential form is:

57972 = 2² × 3¹ × 4831¹

Step-2: Prime Factorization of 57981

Prime factors of 57981 are 3, 7, 11, 251. Prime factorization of 57981 in exponential form is:

57981 = 3¹ × 7¹ × 11¹ × 251¹

Step-3: Factors of 57972

List of positive integer factors of 57972 that divides 57972 without a remainder.

1, 2, 3, 4, 6, 12, 4831, 9662, 14493, 19324, 28986

Step-4: Factors of 57981

List of positive integer factors of 57981 that divides 57972 without a remainder.

1, 3, 7, 11, 21, 33, 77, 231, 251, 753, 1757, 2761, 5271, 8283, 19327

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57972 and 57981. The biggest common factor number is the GCF number.
So the greatest common factor 57972 and 57981 is 3.

Also check out the Least Common Multiple of 57972 and 57981