What is the Greatest Common Factor of 91815 and 91824?

Greatest common factor (GCF) of 91815 and 91824 is 3.

GCF(91815,91824) = 3

We will now calculate the prime factors of 91815 and 91824, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91815 and 91824.

How to find the GCF of 91815 and 91824?

We will first find the prime factorization of 91815 and 91824. After we will calculate the factors of 91815 and 91824 and find the biggest common factor number .

Step-1: Prime Factorization of 91815

Prime factors of 91815 are 3, 5, 6121. Prime factorization of 91815 in exponential form is:

91815 = 3¹ × 5¹ × 6121¹

Step-2: Prime Factorization of 91824

Prime factors of 91824 are 2, 3, 1913. Prime factorization of 91824 in exponential form is:

91824 = 2⁴ × 3¹ × 1913¹

Step-3: Factors of 91815

List of positive integer factors of 91815 that divides 91815 without a remainder.

1, 3, 5, 15, 6121, 18363, 30605

Step-4: Factors of 91824

List of positive integer factors of 91824 that divides 91815 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1913, 3826, 5739, 7652, 11478, 15304, 22956, 30608, 45912

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91815 and 91824. The biggest common factor number is the GCF number.
So the greatest common factor 91815 and 91824 is 3.

Also check out the Least Common Multiple of 91815 and 91824