What is the Greatest Common Factor of 64721 and 64729?

Greatest common factor (GCF) of 64721 and 64729 is 1.

GCF(64721,64729) = 1

We will now calculate the prime factors of 64721 and 64729, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64721 and 64729.

How to find the GCF of 64721 and 64729?

We will first find the prime factorization of 64721 and 64729. After we will calculate the factors of 64721 and 64729 and find the biggest common factor number .

Step-1: Prime Factorization of 64721

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

64721 = 61¹ × 1061¹

Step-2: Prime Factorization of 64729

Prime factors of 64729 are 7, 1321. Prime factorization of 64729 in exponential form is:

64729 = 7² × 1321¹

Step-3: Factors of 64721

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

1, 61, 1061

Step-4: Factors of 64729

List of positive integer factors of 64729 that divides 64721 without a remainder.

1, 7, 49, 1321, 9247

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64721 and 64729. The biggest common factor number is the GCF number.
So the greatest common factor 64721 and 64729 is 1.

Also check out the Least Common Multiple of 64721 and 64729