What is the Greatest Common Factor of 78139 and 78147?

Greatest common factor (GCF) of 78139 and 78147 is 1.

GCF(78139,78147) = 1

We will now calculate the prime factors of 78139 and 78147, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78139 and 78147.

How to find the GCF of 78139 and 78147?

We will first find the prime factorization of 78139 and 78147. After we will calculate the factors of 78139 and 78147 and find the biggest common factor number .

Step-1: Prime Factorization of 78139

Prime factors of 78139 are 78139. Prime factorization of 78139 in exponential form is:

78139 = 78139¹

Step-2: Prime Factorization of 78147

Prime factors of 78147 are 3, 19, 457. Prime factorization of 78147 in exponential form is:

78147 = 3² × 19¹ × 457¹

Step-3: Factors of 78139

List of positive integer factors of 78139 that divides 78139 without a remainder.

Step-4: Factors of 78147

List of positive integer factors of 78147 that divides 78139 without a remainder.

1, 3, 9, 19, 57, 171, 457, 1371, 4113, 8683, 26049

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78139 and 78147. The biggest common factor number is the GCF number.
So the greatest common factor 78139 and 78147 is 1.

Also check out the Least Common Multiple of 78139 and 78147