What is the Greatest Common Factor of 99615 and 99621?

Greatest common factor (GCF) of 99615 and 99621 is 3.

GCF(99615,99621) = 3

We will now calculate the prime factors of 99615 and 99621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99615 and 99621.

How to find the GCF of 99615 and 99621?

We will first find the prime factorization of 99615 and 99621. After we will calculate the factors of 99615 and 99621 and find the biggest common factor number .

Step-1: Prime Factorization of 99615

Prime factors of 99615 are 3, 5, 29, 229. Prime factorization of 99615 in exponential form is:

99615 = 3¹ × 5¹ × 29¹ × 229¹

Step-2: Prime Factorization of 99621

Prime factors of 99621 are 3, 11069. Prime factorization of 99621 in exponential form is:

99621 = 3² × 11069¹

Step-3: Factors of 99615

List of positive integer factors of 99615 that divides 99615 without a remainder.

1, 3, 5, 15, 29, 87, 145, 229, 435, 687, 1145, 3435, 6641, 19923, 33205

Step-4: Factors of 99621

List of positive integer factors of 99621 that divides 99615 without a remainder.

1, 3, 9, 11069, 33207

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99615 and 99621. The biggest common factor number is the GCF number.
So the greatest common factor 99615 and 99621 is 3.

Also check out the Least Common Multiple of 99615 and 99621