What is the Greatest Common Factor of 91040 and 91056?

Greatest common factor (GCF) of 91040 and 91056 is 16.

GCF(91040,91056) = 16

We will now calculate the prime factors of 91040 and 91056, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91040 and 91056.

How to find the GCF of 91040 and 91056?

We will first find the prime factorization of 91040 and 91056. After we will calculate the factors of 91040 and 91056 and find the biggest common factor number .

Step-1: Prime Factorization of 91040

Prime factors of 91040 are 2, 5, 569. Prime factorization of 91040 in exponential form is:

91040 = 2⁵ × 5¹ × 569¹

Step-2: Prime Factorization of 91056

Prime factors of 91056 are 2, 3, 7, 271. Prime factorization of 91056 in exponential form is:

91056 = 2⁴ × 3¹ × 7¹ × 271¹

Step-3: Factors of 91040

List of positive integer factors of 91040 that divides 91040 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 569, 1138, 2276, 2845, 4552, 5690, 9104, 11380, 18208, 22760, 45520

Step-4: Factors of 91056

List of positive integer factors of 91056 that divides 91040 without a remainder.

1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 271, 336, 542, 813, 1084, 1626, 1897, 2168, 3252, 3794, 4336, 5691, 6504, 7588, 11382, 13008, 15176, 22764, 30352, 45528

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91040 and 91056. The biggest common factor number is the GCF number.
So the greatest common factor 91040 and 91056 is 16.

Also check out the Least Common Multiple of 91040 and 91056