What is the Greatest Common Factor of 68139 and 68143?

Greatest common factor (GCF) of 68139 and 68143 is 1.

GCF(68139,68143) = 1

We will now calculate the prime factors of 68139 and 68143, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68139 and 68143.

How to find the GCF of 68139 and 68143?

We will first find the prime factorization of 68139 and 68143. After we will calculate the factors of 68139 and 68143 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 68143

Prime factors of 68143 are 83, 821. Prime factorization of 68143 in exponential form is:

68143 = 83¹ × 821¹

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 68143

List of positive integer factors of 68143 that divides 68139 without a remainder.

1, 83, 821

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68139 and 68143. The biggest common factor number is the GCF number.
So the greatest common factor 68139 and 68143 is 1.

Also check out the Least Common Multiple of 68139 and 68143