What is the Greatest Common Factor of 15521 and 15528?

Greatest common factor (GCF) of 15521 and 15528 is 1.

GCF(15521,15528) = 1

We will now calculate the prime factors of 15521 and 15528, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15521 and 15528.

How to find the GCF of 15521 and 15528?

We will first find the prime factorization of 15521 and 15528. After we will calculate the factors of 15521 and 15528 and find the biggest common factor number .

Step-1: Prime Factorization of 15521

Prime factors of 15521 are 11, 17, 83. Prime factorization of 15521 in exponential form is:

15521 = 11¹ × 17¹ × 83¹

Step-2: Prime Factorization of 15528

Prime factors of 15528 are 2, 3, 647. Prime factorization of 15528 in exponential form is:

15528 = 2³ × 3¹ × 647¹

Step-3: Factors of 15521

List of positive integer factors of 15521 that divides 15521 without a remainder.

1, 11, 17, 83, 187, 913, 1411

Step-4: Factors of 15528

List of positive integer factors of 15528 that divides 15521 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 647, 1294, 1941, 2588, 3882, 5176, 7764

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15521 and 15528. The biggest common factor number is the GCF number.
So the greatest common factor 15521 and 15528 is 1.

Also check out the Least Common Multiple of 15521 and 15528