What is the Greatest Common Factor of 64689 and 64705?

Greatest common factor (GCF) of 64689 and 64705 is 1.

GCF(64689,64705) = 1

We will now calculate the prime factors of 64689 and 64705, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64689 and 64705.

How to find the GCF of 64689 and 64705?

We will first find the prime factorization of 64689 and 64705. After we will calculate the factors of 64689 and 64705 and find the biggest common factor number .

Step-1: Prime Factorization of 64689

Prime factors of 64689 are 3, 21563. Prime factorization of 64689 in exponential form is:

64689 = 3¹ × 21563¹

Step-2: Prime Factorization of 64705

Prime factors of 64705 are 5, 12941. Prime factorization of 64705 in exponential form is:

64705 = 5¹ × 12941¹

Step-3: Factors of 64689

List of positive integer factors of 64689 that divides 64689 without a remainder.

1, 3, 21563

Step-4: Factors of 64705

List of positive integer factors of 64705 that divides 64689 without a remainder.

1, 5, 12941

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64689 and 64705. The biggest common factor number is the GCF number.
So the greatest common factor 64689 and 64705 is 1.

Also check out the Least Common Multiple of 64689 and 64705