What is the Greatest Common Factor of 64275 and 64281?

Greatest common factor (GCF) of 64275 and 64281 is 3.

GCF(64275,64281) = 3

We will now calculate the prime factors of 64275 and 64281, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64275 and 64281.

How to find the GCF of 64275 and 64281?

We will first find the prime factorization of 64275 and 64281. After we will calculate the factors of 64275 and 64281 and find the biggest common factor number .

Step-1: Prime Factorization of 64275

Prime factors of 64275 are 3, 5, 857. Prime factorization of 64275 in exponential form is:

64275 = 3¹ × 5² × 857¹

Step-2: Prime Factorization of 64281

Prime factors of 64281 are 3, 7, 3061. Prime factorization of 64281 in exponential form is:

64281 = 3¹ × 7¹ × 3061¹

Step-3: Factors of 64275

List of positive integer factors of 64275 that divides 64275 without a remainder.

1, 3, 5, 15, 25, 75, 857, 2571, 4285, 12855, 21425

Step-4: Factors of 64281

List of positive integer factors of 64281 that divides 64275 without a remainder.

1, 3, 7, 21, 3061, 9183, 21427

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64275 and 64281. The biggest common factor number is the GCF number.
So the greatest common factor 64275 and 64281 is 3.

Also check out the Least Common Multiple of 64275 and 64281