What is the Greatest Common Factor of 91860 and 91880?

Greatest common factor (GCF) of 91860 and 91880 is 20.

GCF(91860,91880) = 20

We will now calculate the prime factors of 91860 and 91880, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91860 and 91880.

How to find the GCF of 91860 and 91880?

We will first find the prime factorization of 91860 and 91880. After we will calculate the factors of 91860 and 91880 and find the biggest common factor number .

Step-1: Prime Factorization of 91860

Prime factors of 91860 are 2, 3, 5, 1531. Prime factorization of 91860 in exponential form is:

91860 = 2² × 3¹ × 5¹ × 1531¹

Step-2: Prime Factorization of 91880

Prime factors of 91880 are 2, 5, 2297. Prime factorization of 91880 in exponential form is:

91880 = 2³ × 5¹ × 2297¹

Step-3: Factors of 91860

List of positive integer factors of 91860 that divides 91860 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1531, 3062, 4593, 6124, 7655, 9186, 15310, 18372, 22965, 30620, 45930

Step-4: Factors of 91880

List of positive integer factors of 91880 that divides 91860 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 2297, 4594, 9188, 11485, 18376, 22970, 45940

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91860 and 91880. The biggest common factor number is the GCF number.
So the greatest common factor 91860 and 91880 is 20.

Also check out the Least Common Multiple of 91860 and 91880