What is the Greatest Common Factor of 91218 and 91236?

Greatest common factor (GCF) of 91218 and 91236 is 6.

GCF(91218,91236) = 6

We will now calculate the prime factors of 91218 and 91236, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91218 and 91236.

How to find the GCF of 91218 and 91236?

We will first find the prime factorization of 91218 and 91236. After we will calculate the factors of 91218 and 91236 and find the biggest common factor number .

Step-1: Prime Factorization of 91218

Prime factors of 91218 are 2, 3, 23, 661. Prime factorization of 91218 in exponential form is:

91218 = 2¹ × 3¹ × 23¹ × 661¹

Step-2: Prime Factorization of 91236

Prime factors of 91236 are 2, 3, 7603. Prime factorization of 91236 in exponential form is:

91236 = 2² × 3¹ × 7603¹

Step-3: Factors of 91218

List of positive integer factors of 91218 that divides 91218 without a remainder.

1, 2, 3, 6, 23, 46, 69, 138, 661, 1322, 1983, 3966, 15203, 30406, 45609

Step-4: Factors of 91236

List of positive integer factors of 91236 that divides 91218 without a remainder.

1, 2, 3, 4, 6, 12, 7603, 15206, 22809, 30412, 45618

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91218 and 91236. The biggest common factor number is the GCF number.
So the greatest common factor 91218 and 91236 is 6.

Also check out the Least Common Multiple of 91218 and 91236