What is the Greatest Common Factor of 91938 and 91947?

Greatest common factor (GCF) of 91938 and 91947 is 3.

GCF(91938,91947) = 3

We will now calculate the prime factors of 91938 and 91947, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91938 and 91947.

How to find the GCF of 91938 and 91947?

We will first find the prime factorization of 91938 and 91947. After we will calculate the factors of 91938 and 91947 and find the biggest common factor number .

Step-1: Prime Factorization of 91938

Prime factors of 91938 are 2, 3, 7, 11, 199. Prime factorization of 91938 in exponential form is:

91938 = 2¹ × 3¹ × 7¹ × 11¹ × 199¹

Step-2: Prime Factorization of 91947

Prime factors of 91947 are 3, 30649. Prime factorization of 91947 in exponential form is:

91947 = 3¹ × 30649¹

Step-3: Factors of 91938

List of positive integer factors of 91938 that divides 91938 without a remainder.

1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 199, 231, 398, 462, 597, 1194, 1393, 2189, 2786, 4179, 4378, 6567, 8358, 13134, 15323, 30646, 45969

Step-4: Factors of 91947

List of positive integer factors of 91947 that divides 91938 without a remainder.

1, 3, 30649

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91938 and 91947. The biggest common factor number is the GCF number.
So the greatest common factor 91938 and 91947 is 3.

Also check out the Least Common Multiple of 91938 and 91947