What is the Greatest Common Factor of 64720 and 64724?

Greatest common factor (GCF) of 64720 and 64724 is 4.

GCF(64720,64724) = 4

We will now calculate the prime factors of 64720 and 64724, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64720 and 64724.

How to find the GCF of 64720 and 64724?

We will first find the prime factorization of 64720 and 64724. After we will calculate the factors of 64720 and 64724 and find the biggest common factor number .

Step-1: Prime Factorization of 64720

Prime factors of 64720 are 2, 5, 809. Prime factorization of 64720 in exponential form is:

64720 = 2⁴ × 5¹ × 809¹

Step-2: Prime Factorization of 64724

Prime factors of 64724 are 2, 11, 1471. Prime factorization of 64724 in exponential form is:

64724 = 2² × 11¹ × 1471¹

Step-3: Factors of 64720

List of positive integer factors of 64720 that divides 64720 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1618, 3236, 4045, 6472, 8090, 12944, 16180, 32360

Step-4: Factors of 64724

List of positive integer factors of 64724 that divides 64720 without a remainder.

1, 2, 4, 11, 22, 44, 1471, 2942, 5884, 16181, 32362

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64720 and 64724. The biggest common factor number is the GCF number.
So the greatest common factor 64720 and 64724 is 4.

Also check out the Least Common Multiple of 64720 and 64724