What is the Greatest Common Factor of 7959 and 7971?

Greatest common factor (GCF) of 7959 and 7971 is 3.

GCF(7959,7971) = 3

We will now calculate the prime factors of 7959 and 7971, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7959 and 7971.

How to find the GCF of 7959 and 7971?

We will first find the prime factorization of 7959 and 7971. After we will calculate the factors of 7959 and 7971 and find the biggest common factor number .

Step-1: Prime Factorization of 7959

Prime factors of 7959 are 3, 7, 379. Prime factorization of 7959 in exponential form is:

7959 = 3¹ × 7¹ × 379¹

Step-2: Prime Factorization of 7971

Prime factors of 7971 are 3, 2657. Prime factorization of 7971 in exponential form is:

7971 = 3¹ × 2657¹

Step-3: Factors of 7959

List of positive integer factors of 7959 that divides 7959 without a remainder.

1, 3, 7, 21, 379, 1137, 2653

Step-4: Factors of 7971

List of positive integer factors of 7971 that divides 7959 without a remainder.

1, 3, 2657

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7959 and 7971. The biggest common factor number is the GCF number.
So the greatest common factor 7959 and 7971 is 3.

Also check out the Least Common Multiple of 7959 and 7971