What is the Greatest Common Factor of 91720 and 91732?

Greatest common factor (GCF) of 91720 and 91732 is 4.

GCF(91720,91732) = 4

We will now calculate the prime factors of 91720 and 91732, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91720 and 91732.

How to find the GCF of 91720 and 91732?

We will first find the prime factorization of 91720 and 91732. After we will calculate the factors of 91720 and 91732 and find the biggest common factor number .

Step-1: Prime Factorization of 91720

Prime factors of 91720 are 2, 5, 2293. Prime factorization of 91720 in exponential form is:

91720 = 2³ × 5¹ × 2293¹

Step-2: Prime Factorization of 91732

Prime factors of 91732 are 2, 17, 19, 71. Prime factorization of 91732 in exponential form is:

91732 = 2² × 17¹ × 19¹ × 71¹

Step-3: Factors of 91720

List of positive integer factors of 91720 that divides 91720 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 2293, 4586, 9172, 11465, 18344, 22930, 45860

Step-4: Factors of 91732

List of positive integer factors of 91732 that divides 91720 without a remainder.

1, 2, 4, 17, 19, 34, 38, 68, 71, 76, 142, 284, 323, 646, 1207, 1292, 1349, 2414, 2698, 4828, 5396, 22933, 45866

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91720 and 91732. The biggest common factor number is the GCF number.
So the greatest common factor 91720 and 91732 is 4.

Also check out the Least Common Multiple of 91720 and 91732