What is the Greatest Common Factor of 91565 and 91580?

Greatest common factor (GCF) of 91565 and 91580 is 5.

GCF(91565,91580) = 5

We will now calculate the prime factors of 91565 and 91580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91565 and 91580.

How to find the GCF of 91565 and 91580?

We will first find the prime factorization of 91565 and 91580. After we will calculate the factors of 91565 and 91580 and find the biggest common factor number .

Step-1: Prime Factorization of 91565

Prime factors of 91565 are 5, 18313. Prime factorization of 91565 in exponential form is:

91565 = 5¹ × 18313¹

Step-2: Prime Factorization of 91580

Prime factors of 91580 are 2, 5, 19, 241. Prime factorization of 91580 in exponential form is:

91580 = 2² × 5¹ × 19¹ × 241¹

Step-3: Factors of 91565

List of positive integer factors of 91565 that divides 91565 without a remainder.

1, 5, 18313

Step-4: Factors of 91580

List of positive integer factors of 91580 that divides 91565 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 241, 380, 482, 964, 1205, 2410, 4579, 4820, 9158, 18316, 22895, 45790

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91565 and 91580. The biggest common factor number is the GCF number.
So the greatest common factor 91565 and 91580 is 5.

Also check out the Least Common Multiple of 91565 and 91580