What is the Greatest Common Factor of 64715 and 64721?

Greatest common factor (GCF) of 64715 and 64721 is 1.

GCF(64715,64721) = 1

We will now calculate the prime factors of 64715 and 64721, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64715 and 64721.

How to find the GCF of 64715 and 64721?

We will first find the prime factorization of 64715 and 64721. After we will calculate the factors of 64715 and 64721 and find the biggest common factor number .

Step-1: Prime Factorization of 64715

Prime factors of 64715 are 5, 7, 43. Prime factorization of 64715 in exponential form is:

64715 = 5¹ × 7¹ × 43²

Step-2: Prime Factorization of 64721

Prime factors of 64721 are 61, 1061. Prime factorization of 64721 in exponential form is:

64721 = 61¹ × 1061¹

Step-3: Factors of 64715

List of positive integer factors of 64715 that divides 64715 without a remainder.

1, 5, 7, 35, 43, 215, 301, 1505, 1849, 9245, 12943

Step-4: Factors of 64721

List of positive integer factors of 64721 that divides 64715 without a remainder.

1, 61, 1061

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64715 and 64721. The biggest common factor number is the GCF number.
So the greatest common factor 64715 and 64721 is 1.

Also check out the Least Common Multiple of 64715 and 64721