What is the Greatest Common Factor of 91930 and 91940?

Greatest common factor (GCF) of 91930 and 91940 is 10.

GCF(91930,91940) = 10

We will now calculate the prime factors of 91930 and 91940, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91930 and 91940.

How to find the GCF of 91930 and 91940?

We will first find the prime factorization of 91930 and 91940. After we will calculate the factors of 91930 and 91940 and find the biggest common factor number .

Step-1: Prime Factorization of 91930

Prime factors of 91930 are 2, 5, 29, 317. Prime factorization of 91930 in exponential form is:

91930 = 2¹ × 5¹ × 29¹ × 317¹

Step-2: Prime Factorization of 91940

Prime factors of 91940 are 2, 5, 4597. Prime factorization of 91940 in exponential form is:

91940 = 2² × 5¹ × 4597¹

Step-3: Factors of 91930

List of positive integer factors of 91930 that divides 91930 without a remainder.

1, 2, 5, 10, 29, 58, 145, 290, 317, 634, 1585, 3170, 9193, 18386, 45965

Step-4: Factors of 91940

List of positive integer factors of 91940 that divides 91930 without a remainder.

1, 2, 4, 5, 10, 20, 4597, 9194, 18388, 22985, 45970

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91930 and 91940. The biggest common factor number is the GCF number.
So the greatest common factor 91930 and 91940 is 10.

Also check out the Least Common Multiple of 91930 and 91940