What is the Greatest Common Factor of 56978 and 56991?

Greatest common factor (GCF) of 56978 and 56991 is 1.

GCF(56978,56991) = 1

We will now calculate the prime factors of 56978 and 56991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 56978 and 56991.

How to find the GCF of 56978 and 56991?

We will first find the prime factorization of 56978 and 56991. After we will calculate the factors of 56978 and 56991 and find the biggest common factor number .

Step-1: Prime Factorization of 56978

Prime factors of 56978 are 2, 31, 919. Prime factorization of 56978 in exponential form is:

56978 = 2¹ × 31¹ × 919¹

Step-2: Prime Factorization of 56991

Prime factors of 56991 are 3, 11, 157. Prime factorization of 56991 in exponential form is:

56991 = 3¹ × 11² × 157¹

Step-3: Factors of 56978

List of positive integer factors of 56978 that divides 56978 without a remainder.

1, 2, 31, 62, 919, 1838, 28489

Step-4: Factors of 56991

List of positive integer factors of 56991 that divides 56978 without a remainder.

1, 3, 11, 33, 121, 157, 363, 471, 1727, 5181, 18997

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 56978 and 56991. The biggest common factor number is the GCF number.
So the greatest common factor 56978 and 56991 is 1.

Also check out the Least Common Multiple of 56978 and 56991