What is the Greatest Common Factor of 57978 and 57986?

Greatest common factor (GCF) of 57978 and 57986 is 2.

GCF(57978,57986) = 2

We will now calculate the prime factors of 57978 and 57986, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57978 and 57986.

How to find the GCF of 57978 and 57986?

We will first find the prime factorization of 57978 and 57986. After we will calculate the factors of 57978 and 57986 and find the biggest common factor number .

Step-1: Prime Factorization of 57978

Prime factors of 57978 are 2, 3, 3221. Prime factorization of 57978 in exponential form is:

57978 = 2¹ × 3² × 3221¹

Step-2: Prime Factorization of 57986

Prime factors of 57986 are 2, 79, 367. Prime factorization of 57986 in exponential form is:

57986 = 2¹ × 79¹ × 367¹

Step-3: Factors of 57978

List of positive integer factors of 57978 that divides 57978 without a remainder.

1, 2, 3, 6, 9, 18, 3221, 6442, 9663, 19326, 28989

Step-4: Factors of 57986

List of positive integer factors of 57986 that divides 57978 without a remainder.

1, 2, 79, 158, 367, 734, 28993

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57978 and 57986. The biggest common factor number is the GCF number.
So the greatest common factor 57978 and 57986 is 2.

Also check out the Least Common Multiple of 57978 and 57986