What is the Greatest Common Factor of 91540 and 91550?

Greatest common factor (GCF) of 91540 and 91550 is 10.

GCF(91540,91550) = 10

We will now calculate the prime factors of 91540 and 91550, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91540 and 91550.

How to find the GCF of 91540 and 91550?

We will first find the prime factorization of 91540 and 91550. After we will calculate the factors of 91540 and 91550 and find the biggest common factor number .

Step-1: Prime Factorization of 91540

Prime factors of 91540 are 2, 5, 23, 199. Prime factorization of 91540 in exponential form is:

91540 = 2² × 5¹ × 23¹ × 199¹

Step-2: Prime Factorization of 91550

Prime factors of 91550 are 2, 5, 1831. Prime factorization of 91550 in exponential form is:

91550 = 2¹ × 5² × 1831¹

Step-3: Factors of 91540

List of positive integer factors of 91540 that divides 91540 without a remainder.

1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 460, 796, 995, 1990, 3980, 4577, 9154, 18308, 22885, 45770

Step-4: Factors of 91550

List of positive integer factors of 91550 that divides 91540 without a remainder.

1, 2, 5, 10, 25, 50, 1831, 3662, 9155, 18310, 45775

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91540 and 91550. The biggest common factor number is the GCF number.
So the greatest common factor 91540 and 91550 is 10.

Also check out the Least Common Multiple of 91540 and 91550