What is the Greatest Common Factor of 91559 and 91572?

Greatest common factor (GCF) of 91559 and 91572 is 13.

GCF(91559,91572) = 13

We will now calculate the prime factors of 91559 and 91572, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91559 and 91572.

How to find the GCF of 91559 and 91572?

We will first find the prime factorization of 91559 and 91572. After we will calculate the factors of 91559 and 91572 and find the biggest common factor number .

Step-1: Prime Factorization of 91559

Prime factors of 91559 are 13, 7043. Prime factorization of 91559 in exponential form is:

91559 = 13¹ × 7043¹

Step-2: Prime Factorization of 91572

Prime factors of 91572 are 2, 3, 13, 587. Prime factorization of 91572 in exponential form is:

91572 = 2² × 3¹ × 13¹ × 587¹

Step-3: Factors of 91559

List of positive integer factors of 91559 that divides 91559 without a remainder.

1, 13, 7043

Step-4: Factors of 91572

List of positive integer factors of 91572 that divides 91559 without a remainder.

1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 587, 1174, 1761, 2348, 3522, 7044, 7631, 15262, 22893, 30524, 45786

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91559 and 91572. The biggest common factor number is the GCF number.
So the greatest common factor 91559 and 91572 is 13.

Also check out the Least Common Multiple of 91559 and 91572