What is the Greatest Common Factor of 91790 and 91808?

Greatest common factor (GCF) of 91790 and 91808 is 2.

GCF(91790,91808) = 2

We will now calculate the prime factors of 91790 and 91808, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91790 and 91808.

How to find the GCF of 91790 and 91808?

We will first find the prime factorization of 91790 and 91808. After we will calculate the factors of 91790 and 91808 and find the biggest common factor number .

Step-1: Prime Factorization of 91790

Prime factors of 91790 are 2, 5, 67, 137. Prime factorization of 91790 in exponential form is:

91790 = 2¹ × 5¹ × 67¹ × 137¹

Step-2: Prime Factorization of 91808

Prime factors of 91808 are 2, 19, 151. Prime factorization of 91808 in exponential form is:

91808 = 2⁵ × 19¹ × 151¹

Step-3: Factors of 91790

List of positive integer factors of 91790 that divides 91790 without a remainder.

1, 2, 5, 10, 67, 134, 137, 274, 335, 670, 685, 1370, 9179, 18358, 45895

Step-4: Factors of 91808

List of positive integer factors of 91808 that divides 91790 without a remainder.

1, 2, 4, 8, 16, 19, 32, 38, 76, 151, 152, 302, 304, 604, 608, 1208, 2416, 2869, 4832, 5738, 11476, 22952, 45904

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91790 and 91808. The biggest common factor number is the GCF number.
So the greatest common factor 91790 and 91808 is 2.

Also check out the Least Common Multiple of 91790 and 91808