What is the Greatest Common Factor of 99120 and 99128?

Greatest common factor (GCF) of 99120 and 99128 is 8.

GCF(99120,99128) = 8

We will now calculate the prime factors of 99120 and 99128, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99120 and 99128.

How to find the GCF of 99120 and 99128?

We will first find the prime factorization of 99120 and 99128. After we will calculate the factors of 99120 and 99128 and find the biggest common factor number .

Step-1: Prime Factorization of 99120

Prime factors of 99120 are 2, 3, 5, 7, 59. Prime factorization of 99120 in exponential form is:

99120 = 2⁴ × 3¹ × 5¹ × 7¹ × 59¹

Step-2: Prime Factorization of 99128

Prime factors of 99128 are 2, 12391. Prime factorization of 99128 in exponential form is:

99128 = 2³ × 12391¹

Step-3: Factors of 99120

List of positive integer factors of 99120 that divides 99120 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 59, 60, 70, 80, 84, 105, 112, 118, 120, 140, 168, 177, 210, 236, 240, 280, 295, 336, 354, 413, 420, 472, 560, 590, 708, 826, 840, 885, 944, 1180, 1239, 1416, 1652, 1680, 1770, 2065, 2360, 2478, 2832, 3304, 3540, 4130, 4720, 4956, 6195, 6608, 7080, 8260, 9912, 12390, 14160, 16520, 19824, 24780, 33040, 49560

Step-4: Factors of 99128

List of positive integer factors of 99128 that divides 99120 without a remainder.

1, 2, 4, 8, 12391, 24782, 49564

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99120 and 99128. The biggest common factor number is the GCF number.
So the greatest common factor 99120 and 99128 is 8.

Also check out the Least Common Multiple of 99120 and 99128