What is the Greatest Common Factor of 56991 and 57003?

Greatest common factor (GCF) of 56991 and 57003 is 3.

GCF(56991,57003) = 3

We will now calculate the prime factors of 56991 and 57003, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 56991 and 57003.

How to find the GCF of 56991 and 57003?

We will first find the prime factorization of 56991 and 57003. After we will calculate the factors of 56991 and 57003 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 57003

Prime factors of 57003 are 3, 19001. Prime factorization of 57003 in exponential form is:

57003 = 3¹ × 19001¹

Step-3: Factors of 56991

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

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

Step-4: Factors of 57003

List of positive integer factors of 57003 that divides 56991 without a remainder.

1, 3, 19001

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 56991 and 57003. The biggest common factor number is the GCF number.
So the greatest common factor 56991 and 57003 is 3.

Also check out the Least Common Multiple of 56991 and 57003