What is the Greatest Common Factor of 64477 and 64491?

Greatest common factor (GCF) of 64477 and 64491 is 7.

GCF(64477,64491) = 7

We will now calculate the prime factors of 64477 and 64491, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64477 and 64491.

How to find the GCF of 64477 and 64491?

We will first find the prime factorization of 64477 and 64491. After we will calculate the factors of 64477 and 64491 and find the biggest common factor number .

Step-1: Prime Factorization of 64477

Prime factors of 64477 are 7, 61, 151. Prime factorization of 64477 in exponential form is:

64477 = 7¹ × 61¹ × 151¹

Step-2: Prime Factorization of 64491

Prime factors of 64491 are 3, 7, 37, 83. Prime factorization of 64491 in exponential form is:

64491 = 3¹ × 7¹ × 37¹ × 83¹

Step-3: Factors of 64477

List of positive integer factors of 64477 that divides 64477 without a remainder.

1, 7, 61, 151, 427, 1057, 9211

Step-4: Factors of 64491

List of positive integer factors of 64491 that divides 64477 without a remainder.

1, 3, 7, 21, 37, 83, 111, 249, 259, 581, 777, 1743, 3071, 9213, 21497

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64477 and 64491. The biggest common factor number is the GCF number.
So the greatest common factor 64477 and 64491 is 7.

Also check out the Least Common Multiple of 64477 and 64491