What is the Greatest Common Factor of 78135 and 78139?

Greatest common factor (GCF) of 78135 and 78139 is 1.

GCF(78135,78139) = 1

We will now calculate the prime factors of 78135 and 78139, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78135 and 78139.

How to find the GCF of 78135 and 78139?

We will first find the prime factorization of 78135 and 78139. After we will calculate the factors of 78135 and 78139 and find the biggest common factor number .

Step-1: Prime Factorization of 78135

Prime factors of 78135 are 3, 5, 5209. Prime factorization of 78135 in exponential form is:

78135 = 3¹ × 5¹ × 5209¹

Step-2: Prime Factorization of 78139

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

78139 = 78139¹

Step-3: Factors of 78135

List of positive integer factors of 78135 that divides 78135 without a remainder.

1, 3, 5, 15, 5209, 15627, 26045

Step-4: Factors of 78139

List of positive integer factors of 78139 that divides 78135 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78135 and 78139. The biggest common factor number is the GCF number.
So the greatest common factor 78135 and 78139 is 1.

Also check out the Least Common Multiple of 78135 and 78139