What is the Greatest Common Factor of 68139 and 68157?

Greatest common factor (GCF) of 68139 and 68157 is 9.

GCF(68139,68157) = 9

We will now calculate the prime factors of 68139 and 68157, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68139 and 68157.

How to find the GCF of 68139 and 68157?

We will first find the prime factorization of 68139 and 68157. After we will calculate the factors of 68139 and 68157 and find the biggest common factor number .

Step-1: Prime Factorization of 68139

Prime factors of 68139 are 3, 67, 113. Prime factorization of 68139 in exponential form is:

68139 = 3² × 67¹ × 113¹

Step-2: Prime Factorization of 68157

Prime factors of 68157 are 3, 7573. Prime factorization of 68157 in exponential form is:

68157 = 3² × 7573¹

Step-3: Factors of 68139

List of positive integer factors of 68139 that divides 68139 without a remainder.

1, 3, 9, 67, 113, 201, 339, 603, 1017, 7571, 22713

Step-4: Factors of 68157

List of positive integer factors of 68157 that divides 68139 without a remainder.

1, 3, 9, 7573, 22719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68139 and 68157. The biggest common factor number is the GCF number.
So the greatest common factor 68139 and 68157 is 9.

Also check out the Least Common Multiple of 68139 and 68157