What is the Greatest Common Factor of 64938 and 64947?

Greatest common factor (GCF) of 64938 and 64947 is 3.

GCF(64938,64947) = 3

We will now calculate the prime factors of 64938 and 64947, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64938 and 64947.

How to find the GCF of 64938 and 64947?

We will first find the prime factorization of 64938 and 64947. After we will calculate the factors of 64938 and 64947 and find the biggest common factor number .

Step-1: Prime Factorization of 64938

Prime factors of 64938 are 2, 3, 79, 137. Prime factorization of 64938 in exponential form is:

64938 = 2¹ × 3¹ × 79¹ × 137¹

Step-2: Prime Factorization of 64947

Prime factors of 64947 are 3, 21649. Prime factorization of 64947 in exponential form is:

64947 = 3¹ × 21649¹

Step-3: Factors of 64938

List of positive integer factors of 64938 that divides 64938 without a remainder.

1, 2, 3, 6, 79, 137, 158, 237, 274, 411, 474, 822, 10823, 21646, 32469

Step-4: Factors of 64947

List of positive integer factors of 64947 that divides 64938 without a remainder.

1, 3, 21649

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64938 and 64947. The biggest common factor number is the GCF number.
So the greatest common factor 64938 and 64947 is 3.

Also check out the Least Common Multiple of 64938 and 64947