What is the Greatest Common Factor of 56979 and 56985?

Greatest common factor (GCF) of 56979 and 56985 is 3.

GCF(56979,56985) = 3

We will now calculate the prime factors of 56979 and 56985, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 56979 and 56985.

How to find the GCF of 56979 and 56985?

We will first find the prime factorization of 56979 and 56985. After we will calculate the factors of 56979 and 56985 and find the biggest common factor number .

Step-1: Prime Factorization of 56979

Prime factors of 56979 are 3, 13, 487. Prime factorization of 56979 in exponential form is:

56979 = 3² × 13¹ × 487¹

Step-2: Prime Factorization of 56985

Prime factors of 56985 are 3, 5, 29, 131. Prime factorization of 56985 in exponential form is:

56985 = 3¹ × 5¹ × 29¹ × 131¹

Step-3: Factors of 56979

List of positive integer factors of 56979 that divides 56979 without a remainder.

1, 3, 9, 13, 39, 117, 487, 1461, 4383, 6331, 18993

Step-4: Factors of 56985

List of positive integer factors of 56985 that divides 56979 without a remainder.

1, 3, 5, 15, 29, 87, 131, 145, 393, 435, 655, 1965, 3799, 11397, 18995

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 56979 and 56985. The biggest common factor number is the GCF number.
So the greatest common factor 56979 and 56985 is 3.

Also check out the Least Common Multiple of 56979 and 56985