What is the Greatest Common Factor of 2979 and 2987?

Greatest common factor (GCF) of 2979 and 2987 is 1.

GCF(2979,2987) = 1

We will now calculate the prime factors of 2979 and 2987, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2979 and 2987.

How to find the GCF of 2979 and 2987?

We will first find the prime factorization of 2979 and 2987. After we will calculate the factors of 2979 and 2987 and find the biggest common factor number .

Step-1: Prime Factorization of 2979

Prime factors of 2979 are 3, 331. Prime factorization of 2979 in exponential form is:

2979 = 3² × 331¹

Step-2: Prime Factorization of 2987

Prime factors of 2987 are 29, 103. Prime factorization of 2987 in exponential form is:

2987 = 29¹ × 103¹

Step-3: Factors of 2979

List of positive integer factors of 2979 that divides 2979 without a remainder.

1, 3, 9, 331, 993

Step-4: Factors of 2987

List of positive integer factors of 2987 that divides 2979 without a remainder.

1, 29, 103

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2979 and 2987. The biggest common factor number is the GCF number.
So the greatest common factor 2979 and 2987 is 1.

Also check out the Least Common Multiple of 2979 and 2987