What is the Greatest Common Factor of 7921 and 7928?

Greatest common factor (GCF) of 7921 and 7928 is 1.

GCF(7921,7928) = 1

We will now calculate the prime factors of 7921 and 7928, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7921 and 7928.

How to find the GCF of 7921 and 7928?

We will first find the prime factorization of 7921 and 7928. After we will calculate the factors of 7921 and 7928 and find the biggest common factor number .

Step-1: Prime Factorization of 7921

Prime factors of 7921 are 89. Prime factorization of 7921 in exponential form is:

7921 = 89²

Step-2: Prime Factorization of 7928

Prime factors of 7928 are 2, 991. Prime factorization of 7928 in exponential form is:

7928 = 2³ × 991¹

Step-3: Factors of 7921

List of positive integer factors of 7921 that divides 7921 without a remainder.

1, 89

Step-4: Factors of 7928

List of positive integer factors of 7928 that divides 7921 without a remainder.

1, 2, 4, 8, 991, 1982, 3964

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7921 and 7928. The biggest common factor number is the GCF number.
So the greatest common factor 7921 and 7928 is 1.

Also check out the Least Common Multiple of 7921 and 7928