What is the Greatest Common Factor of 13972 and 13979?

Greatest common factor (GCF) of 13972 and 13979 is 7.

GCF(13972,13979) = 7

We will now calculate the prime factors of 13972 and 13979, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13972 and 13979.

How to find the GCF of 13972 and 13979?

We will first find the prime factorization of 13972 and 13979. After we will calculate the factors of 13972 and 13979 and find the biggest common factor number .

Step-1: Prime Factorization of 13972

Prime factors of 13972 are 2, 7, 499. Prime factorization of 13972 in exponential form is:

13972 = 2² × 7¹ × 499¹

Step-2: Prime Factorization of 13979

Prime factors of 13979 are 7, 1997. Prime factorization of 13979 in exponential form is:

13979 = 7¹ × 1997¹

Step-3: Factors of 13972

List of positive integer factors of 13972 that divides 13972 without a remainder.

1, 2, 4, 7, 14, 28, 499, 998, 1996, 3493, 6986

Step-4: Factors of 13979

List of positive integer factors of 13979 that divides 13972 without a remainder.

1, 7, 1997

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13972 and 13979. The biggest common factor number is the GCF number.
So the greatest common factor 13972 and 13979 is 7.

Also check out the Least Common Multiple of 13972 and 13979