What is the Greatest Common Factor of 72972 and 72988?

Greatest common factor (GCF) of 72972 and 72988 is 4.

GCF(72972,72988) = 4

We will now calculate the prime factors of 72972 and 72988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72972 and 72988.

How to find the GCF of 72972 and 72988?

We will first find the prime factorization of 72972 and 72988. After we will calculate the factors of 72972 and 72988 and find the biggest common factor number .

Step-1: Prime Factorization of 72972

Prime factors of 72972 are 2, 3, 2027. Prime factorization of 72972 in exponential form is:

72972 = 2² × 3² × 2027¹

Step-2: Prime Factorization of 72988

Prime factors of 72988 are 2, 71, 257. Prime factorization of 72988 in exponential form is:

72988 = 2² × 71¹ × 257¹

Step-3: Factors of 72972

List of positive integer factors of 72972 that divides 72972 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 2027, 4054, 6081, 8108, 12162, 18243, 24324, 36486

Step-4: Factors of 72988

List of positive integer factors of 72988 that divides 72972 without a remainder.

1, 2, 4, 71, 142, 257, 284, 514, 1028, 18247, 36494

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72972 and 72988. The biggest common factor number is the GCF number.
So the greatest common factor 72972 and 72988 is 4.

Also check out the Least Common Multiple of 72972 and 72988