What is the Greatest Common Factor of 91817 and 91828?

Greatest common factor (GCF) of 91817 and 91828 is 11.

GCF(91817,91828) = 11

We will now calculate the prime factors of 91817 and 91828, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91817 and 91828.

How to find the GCF of 91817 and 91828?

We will first find the prime factorization of 91817 and 91828. After we will calculate the factors of 91817 and 91828 and find the biggest common factor number .

Step-1: Prime Factorization of 91817

Prime factors of 91817 are 11, 17, 491. Prime factorization of 91817 in exponential form is:

91817 = 11¹ × 17¹ × 491¹

Step-2: Prime Factorization of 91828

Prime factors of 91828 are 2, 11, 2087. Prime factorization of 91828 in exponential form is:

91828 = 2² × 11¹ × 2087¹

Step-3: Factors of 91817

List of positive integer factors of 91817 that divides 91817 without a remainder.

1, 11, 17, 187, 491, 5401, 8347

Step-4: Factors of 91828

List of positive integer factors of 91828 that divides 91817 without a remainder.

1, 2, 4, 11, 22, 44, 2087, 4174, 8348, 22957, 45914

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91817 and 91828. The biggest common factor number is the GCF number.
So the greatest common factor 91817 and 91828 is 11.

Also check out the Least Common Multiple of 91817 and 91828