What is the Greatest Common Factor of 68961 and 68979?

Greatest common factor (GCF) of 68961 and 68979 is 3.

GCF(68961,68979) = 3

We will now calculate the prime factors of 68961 and 68979, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68961 and 68979.

How to find the GCF of 68961 and 68979?

We will first find the prime factorization of 68961 and 68979. After we will calculate the factors of 68961 and 68979 and find the biggest common factor number .

Step-1: Prime Factorization of 68961

Prime factors of 68961 are 3, 127, 181. Prime factorization of 68961 in exponential form is:

68961 = 3¹ × 127¹ × 181¹

Step-2: Prime Factorization of 68979

Prime factors of 68979 are 3, 22993. Prime factorization of 68979 in exponential form is:

68979 = 3¹ × 22993¹

Step-3: Factors of 68961

List of positive integer factors of 68961 that divides 68961 without a remainder.

1, 3, 127, 181, 381, 543, 22987

Step-4: Factors of 68979

List of positive integer factors of 68979 that divides 68961 without a remainder.

1, 3, 22993

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68961 and 68979. The biggest common factor number is the GCF number.
So the greatest common factor 68961 and 68979 is 3.

Also check out the Least Common Multiple of 68961 and 68979