What is the Greatest Common Factor of 79956 and 79974?

Greatest common factor (GCF) of 79956 and 79974 is 18.

GCF(79956,79974) = 18

We will now calculate the prime factors of 79956 and 79974, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79956 and 79974.

How to find the GCF of 79956 and 79974?

We will first find the prime factorization of 79956 and 79974. After we will calculate the factors of 79956 and 79974 and find the biggest common factor number .

Step-1: Prime Factorization of 79956

Prime factors of 79956 are 2, 3, 2221. Prime factorization of 79956 in exponential form is:

79956 = 2² × 3² × 2221¹

Step-2: Prime Factorization of 79974

Prime factors of 79974 are 2, 3, 1481. Prime factorization of 79974 in exponential form is:

79974 = 2¹ × 3³ × 1481¹

Step-3: Factors of 79956

List of positive integer factors of 79956 that divides 79956 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 2221, 4442, 6663, 8884, 13326, 19989, 26652, 39978

Step-4: Factors of 79974

List of positive integer factors of 79974 that divides 79956 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 1481, 2962, 4443, 8886, 13329, 26658, 39987

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79956 and 79974. The biggest common factor number is the GCF number.
So the greatest common factor 79956 and 79974 is 18.

Also check out the Least Common Multiple of 79956 and 79974