What is the Greatest Common Factor of 86139 and 86155?

Greatest common factor (GCF) of 86139 and 86155 is 1.

GCF(86139,86155) = 1

We will now calculate the prime factors of 86139 and 86155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 86139 and 86155.

How to find the GCF of 86139 and 86155?

We will first find the prime factorization of 86139 and 86155. After we will calculate the factors of 86139 and 86155 and find the biggest common factor number .

Step-1: Prime Factorization of 86139

Prime factors of 86139 are 3, 17, 563. Prime factorization of 86139 in exponential form is:

86139 = 3² × 17¹ × 563¹

Step-2: Prime Factorization of 86155

Prime factors of 86155 are 5, 17231. Prime factorization of 86155 in exponential form is:

86155 = 5¹ × 17231¹

Step-3: Factors of 86139

List of positive integer factors of 86139 that divides 86139 without a remainder.

1, 3, 9, 17, 51, 153, 563, 1689, 5067, 9571, 28713

Step-4: Factors of 86155

List of positive integer factors of 86155 that divides 86139 without a remainder.

1, 5, 17231

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 86139 and 86155. The biggest common factor number is the GCF number.
So the greatest common factor 86139 and 86155 is 1.

Also check out the Least Common Multiple of 86139 and 86155