What is the Greatest Common Factor of 74977 and 74991?

Greatest common factor (GCF) of 74977 and 74991 is 7.

GCF(74977,74991) = 7

We will now calculate the prime factors of 74977 and 74991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74977 and 74991.

How to find the GCF of 74977 and 74991?

We will first find the prime factorization of 74977 and 74991. After we will calculate the factors of 74977 and 74991 and find the biggest common factor number .

Step-1: Prime Factorization of 74977

Prime factors of 74977 are 7, 10711. Prime factorization of 74977 in exponential form is:

74977 = 7¹ × 10711¹

Step-2: Prime Factorization of 74991

Prime factors of 74991 are 3, 7, 3571. Prime factorization of 74991 in exponential form is:

74991 = 3¹ × 7¹ × 3571¹

Step-3: Factors of 74977

List of positive integer factors of 74977 that divides 74977 without a remainder.

1, 7, 10711

Step-4: Factors of 74991

List of positive integer factors of 74991 that divides 74977 without a remainder.

1, 3, 7, 21, 3571, 10713, 24997

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74977 and 74991. The biggest common factor number is the GCF number.
So the greatest common factor 74977 and 74991 is 7.

Also check out the Least Common Multiple of 74977 and 74991