What is the Greatest Common Factor of 65821 and 65828?

Greatest common factor (GCF) of 65821 and 65828 is 7.

GCF(65821,65828) = 7

We will now calculate the prime factors of 65821 and 65828, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65821 and 65828.

How to find the GCF of 65821 and 65828?

We will first find the prime factorization of 65821 and 65828. After we will calculate the factors of 65821 and 65828 and find the biggest common factor number .

Step-1: Prime Factorization of 65821

Prime factors of 65821 are 7, 9403. Prime factorization of 65821 in exponential form is:

65821 = 7¹ × 9403¹

Step-2: Prime Factorization of 65828

Prime factors of 65828 are 2, 7, 2351. Prime factorization of 65828 in exponential form is:

65828 = 2² × 7¹ × 2351¹

Step-3: Factors of 65821

List of positive integer factors of 65821 that divides 65821 without a remainder.

1, 7, 9403

Step-4: Factors of 65828

List of positive integer factors of 65828 that divides 65821 without a remainder.

1, 2, 4, 7, 14, 28, 2351, 4702, 9404, 16457, 32914

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65821 and 65828. The biggest common factor number is the GCF number.
So the greatest common factor 65821 and 65828 is 7.

Also check out the Least Common Multiple of 65821 and 65828