What is the Greatest Common Factor of 87615 and 87621?

Greatest common factor (GCF) of 87615 and 87621 is 3.

GCF(87615,87621) = 3

We will now calculate the prime factors of 87615 and 87621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87615 and 87621.

How to find the GCF of 87615 and 87621?

We will first find the prime factorization of 87615 and 87621. After we will calculate the factors of 87615 and 87621 and find the biggest common factor number .

Step-1: Prime Factorization of 87615

Prime factors of 87615 are 3, 5, 11, 59. Prime factorization of 87615 in exponential form is:

87615 = 3³ × 5¹ × 11¹ × 59¹

Step-2: Prime Factorization of 87621

Prime factors of 87621 are 3, 29207. Prime factorization of 87621 in exponential form is:

87621 = 3¹ × 29207¹

Step-3: Factors of 87615

List of positive integer factors of 87615 that divides 87615 without a remainder.

1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 59, 99, 135, 165, 177, 295, 297, 495, 531, 649, 885, 1485, 1593, 1947, 2655, 3245, 5841, 7965, 9735, 17523, 29205

Step-4: Factors of 87621

List of positive integer factors of 87621 that divides 87615 without a remainder.

1, 3, 29207

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87615 and 87621. The biggest common factor number is the GCF number.
So the greatest common factor 87615 and 87621 is 3.

Also check out the Least Common Multiple of 87615 and 87621