What is the Greatest Common Factor of 77946 and 77957?

Greatest common factor (GCF) of 77946 and 77957 is 11.

GCF(77946,77957) = 11

We will now calculate the prime factors of 77946 and 77957, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77946 and 77957.

How to find the GCF of 77946 and 77957?

We will first find the prime factorization of 77946 and 77957. After we will calculate the factors of 77946 and 77957 and find the biggest common factor number .

Step-1: Prime Factorization of 77946

Prime factors of 77946 are 2, 3, 11, 1181. Prime factorization of 77946 in exponential form is:

77946 = 2¹ × 3¹ × 11¹ × 1181¹

Step-2: Prime Factorization of 77957

Prime factors of 77957 are 11, 19, 373. Prime factorization of 77957 in exponential form is:

77957 = 11¹ × 19¹ × 373¹

Step-3: Factors of 77946

List of positive integer factors of 77946 that divides 77946 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 1181, 2362, 3543, 7086, 12991, 25982, 38973

Step-4: Factors of 77957

List of positive integer factors of 77957 that divides 77946 without a remainder.

1, 11, 19, 209, 373, 4103, 7087

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77946 and 77957. The biggest common factor number is the GCF number.
So the greatest common factor 77946 and 77957 is 11.

Also check out the Least Common Multiple of 77946 and 77957