What is the Greatest Common Factor of 87507 and 87521?

Greatest common factor (GCF) of 87507 and 87521 is 7.

GCF(87507,87521) = 7

We will now calculate the prime factors of 87507 and 87521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87507 and 87521.

How to find the GCF of 87507 and 87521?

We will first find the prime factorization of 87507 and 87521. After we will calculate the factors of 87507 and 87521 and find the biggest common factor number .

Step-1: Prime Factorization of 87507

Prime factors of 87507 are 3, 7, 463. Prime factorization of 87507 in exponential form is:

87507 = 3³ × 7¹ × 463¹

Step-2: Prime Factorization of 87521

Prime factors of 87521 are 7, 12503. Prime factorization of 87521 in exponential form is:

87521 = 7¹ × 12503¹

Step-3: Factors of 87507

List of positive integer factors of 87507 that divides 87507 without a remainder.

1, 3, 7, 9, 21, 27, 63, 189, 463, 1389, 3241, 4167, 9723, 12501, 29169

Step-4: Factors of 87521

List of positive integer factors of 87521 that divides 87507 without a remainder.

1, 7, 12503

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87507 and 87521. The biggest common factor number is the GCF number.
So the greatest common factor 87507 and 87521 is 7.

Also check out the Least Common Multiple of 87507 and 87521