What is the Greatest Common Factor of 17109 and 17115?

Greatest common factor (GCF) of 17109 and 17115 is 3.

GCF(17109,17115) = 3

We will now calculate the prime factors of 17109 and 17115, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17109 and 17115.

How to find the GCF of 17109 and 17115?

We will first find the prime factorization of 17109 and 17115. After we will calculate the factors of 17109 and 17115 and find the biggest common factor number .

Step-1: Prime Factorization of 17109

Prime factors of 17109 are 3, 1901. Prime factorization of 17109 in exponential form is:

17109 = 3² × 1901¹

Step-2: Prime Factorization of 17115

Prime factors of 17115 are 3, 5, 7, 163. Prime factorization of 17115 in exponential form is:

17115 = 3¹ × 5¹ × 7¹ × 163¹

Step-3: Factors of 17109

List of positive integer factors of 17109 that divides 17109 without a remainder.

1, 3, 9, 1901, 5703

Step-4: Factors of 17115

List of positive integer factors of 17115 that divides 17109 without a remainder.

1, 3, 5, 7, 15, 21, 35, 105, 163, 489, 815, 1141, 2445, 3423, 5705

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17109 and 17115. The biggest common factor number is the GCF number.
So the greatest common factor 17109 and 17115 is 3.

Also check out the Least Common Multiple of 17109 and 17115