What is the Greatest Common Factor of 99968 and 99980?

Greatest common factor (GCF) of 99968 and 99980 is 4.

GCF(99968,99980) = 4

We will now calculate the prime factors of 99968 and 99980, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99968 and 99980.

How to find the GCF of 99968 and 99980?

We will first find the prime factorization of 99968 and 99980. After we will calculate the factors of 99968 and 99980 and find the biggest common factor number .

Step-1: Prime Factorization of 99968

Prime factors of 99968 are 2, 11, 71. Prime factorization of 99968 in exponential form is:

99968 = 2⁷ × 11¹ × 71¹

Step-2: Prime Factorization of 99980

Prime factors of 99980 are 2, 5, 4999. Prime factorization of 99980 in exponential form is:

99980 = 2² × 5¹ × 4999¹

Step-3: Factors of 99968

List of positive integer factors of 99968 that divides 99968 without a remainder.

1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 176, 284, 352, 568, 704, 781, 1136, 1408, 1562, 2272, 3124, 4544, 6248, 9088, 12496, 24992, 49984

Step-4: Factors of 99980

List of positive integer factors of 99980 that divides 99968 without a remainder.

1, 2, 4, 5, 10, 20, 4999, 9998, 19996, 24995, 49990

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99968 and 99980. The biggest common factor number is the GCF number.
So the greatest common factor 99968 and 99980 is 4.

Also check out the Least Common Multiple of 99968 and 99980