What is the Greatest Common Factor of 17139 and 17155?

Greatest common factor (GCF) of 17139 and 17155 is 1.

GCF(17139,17155) = 1

We will now calculate the prime factors of 17139 and 17155, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17139 and 17155.

How to find the GCF of 17139 and 17155?

We will first find the prime factorization of 17139 and 17155. After we will calculate the factors of 17139 and 17155 and find the biggest common factor number .

Step-1: Prime Factorization of 17139

Prime factors of 17139 are 3, 29, 197. Prime factorization of 17139 in exponential form is:

17139 = 3¹ × 29¹ × 197¹

Step-2: Prime Factorization of 17155

Prime factors of 17155 are 5, 47, 73. Prime factorization of 17155 in exponential form is:

17155 = 5¹ × 47¹ × 73¹

Step-3: Factors of 17139

List of positive integer factors of 17139 that divides 17139 without a remainder.

1, 3, 29, 87, 197, 591, 5713

Step-4: Factors of 17155

List of positive integer factors of 17155 that divides 17139 without a remainder.

1, 5, 47, 73, 235, 365, 3431

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17139 and 17155. The biggest common factor number is the GCF number.
So the greatest common factor 17139 and 17155 is 1.

Also check out the Least Common Multiple of 17139 and 17155