What is the Greatest Common Factor of 91940 and 91958?

Greatest common factor (GCF) of 91940 and 91958 is 2.

GCF(91940,91958) = 2

We will now calculate the prime factors of 91940 and 91958, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91940 and 91958.

How to find the GCF of 91940 and 91958?

We will first find the prime factorization of 91940 and 91958. After we will calculate the factors of 91940 and 91958 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 91958

Prime factors of 91958 are 2, 45979. Prime factorization of 91958 in exponential form is:

91958 = 2¹ × 45979¹

Step-3: Factors of 91940

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

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

Step-4: Factors of 91958

List of positive integer factors of 91958 that divides 91940 without a remainder.

1, 2, 45979

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91940 and 91958. The biggest common factor number is the GCF number.
So the greatest common factor 91940 and 91958 is 2.

Also check out the Least Common Multiple of 91940 and 91958