What is the Greatest Common Factor of 91245 and 91255?

Greatest common factor (GCF) of 91245 and 91255 is 5.

GCF(91245,91255) = 5

We will now calculate the prime factors of 91245 and 91255, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91245 and 91255.

How to find the GCF of 91245 and 91255?

We will first find the prime factorization of 91245 and 91255. After we will calculate the factors of 91245 and 91255 and find the biggest common factor number .

Step-1: Prime Factorization of 91245

Prime factors of 91245 are 3, 5, 7, 11, 79. Prime factorization of 91245 in exponential form is:

91245 = 3¹ × 5¹ × 7¹ × 11¹ × 79¹

Step-2: Prime Factorization of 91255

Prime factors of 91255 are 5, 18251. Prime factorization of 91255 in exponential form is:

91255 = 5¹ × 18251¹

Step-3: Factors of 91245

List of positive integer factors of 91245 that divides 91245 without a remainder.

1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 79, 105, 165, 231, 237, 385, 395, 553, 869, 1155, 1185, 1659, 2607, 2765, 4345, 6083, 8295, 13035, 18249, 30415

Step-4: Factors of 91255

List of positive integer factors of 91255 that divides 91245 without a remainder.

1, 5, 18251

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91245 and 91255. The biggest common factor number is the GCF number.
So the greatest common factor 91245 and 91255 is 5.

Also check out the Least Common Multiple of 91245 and 91255