What is the Greatest Common Factor of 56987 and 56991?

Greatest common factor (GCF) of 56987 and 56991 is 1.

GCF(56987,56991) = 1

We will now calculate the prime factors of 56987 and 56991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 56987 and 56991.

How to find the GCF of 56987 and 56991?

We will first find the prime factorization of 56987 and 56991. After we will calculate the factors of 56987 and 56991 and find the biggest common factor number .

Step-1: Prime Factorization of 56987

Prime factors of 56987 are 7, 1163. Prime factorization of 56987 in exponential form is:

56987 = 7² × 1163¹

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 56987

List of positive integer factors of 56987 that divides 56987 without a remainder.

1, 7, 49, 1163, 8141

Step-4: Factors of 56991

List of positive integer factors of 56991 that divides 56987 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 56987 and 56991. The biggest common factor number is the GCF number.
So the greatest common factor 56987 and 56991 is 1.

Also check out the Least Common Multiple of 56987 and 56991