What is the Greatest Common Factor of 79720 and 79724?

Greatest common factor (GCF) of 79720 and 79724 is 4.

GCF(79720,79724) = 4

We will now calculate the prime factors of 79720 and 79724, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79720 and 79724.

How to find the GCF of 79720 and 79724?

We will first find the prime factorization of 79720 and 79724. After we will calculate the factors of 79720 and 79724 and find the biggest common factor number .

Step-1: Prime Factorization of 79720

Prime factors of 79720 are 2, 5, 1993. Prime factorization of 79720 in exponential form is:

79720 = 2³ × 5¹ × 1993¹

Step-2: Prime Factorization of 79724

Prime factors of 79724 are 2, 19, 1049. Prime factorization of 79724 in exponential form is:

79724 = 2² × 19¹ × 1049¹

Step-3: Factors of 79720

List of positive integer factors of 79720 that divides 79720 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1993, 3986, 7972, 9965, 15944, 19930, 39860

Step-4: Factors of 79724

List of positive integer factors of 79724 that divides 79720 without a remainder.

1, 2, 4, 19, 38, 76, 1049, 2098, 4196, 19931, 39862

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79720 and 79724. The biggest common factor number is the GCF number.
So the greatest common factor 79720 and 79724 is 4.

Also check out the Least Common Multiple of 79720 and 79724