What is the Greatest Common Factor of 77947 and 77961?

Greatest common factor (GCF) of 77947 and 77961 is 1.

GCF(77947,77961) = 1

We will now calculate the prime factors of 77947 and 77961, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77947 and 77961.

How to find the GCF of 77947 and 77961?

We will first find the prime factorization of 77947 and 77961. After we will calculate the factors of 77947 and 77961 and find the biggest common factor number .

Step-1: Prime Factorization of 77947

Prime factors of 77947 are 23, 3389. Prime factorization of 77947 in exponential form is:

77947 = 23¹ × 3389¹

Step-2: Prime Factorization of 77961

Prime factors of 77961 are 3, 13, 1999. Prime factorization of 77961 in exponential form is:

77961 = 3¹ × 13¹ × 1999¹

Step-3: Factors of 77947

List of positive integer factors of 77947 that divides 77947 without a remainder.

1, 23, 3389

Step-4: Factors of 77961

List of positive integer factors of 77961 that divides 77947 without a remainder.

1, 3, 13, 39, 1999, 5997, 25987

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77947 and 77961. The biggest common factor number is the GCF number.
So the greatest common factor 77947 and 77961 is 1.

Also check out the Least Common Multiple of 77947 and 77961