What is the Greatest Common Factor of 17091 and 17109?

Greatest common factor (GCF) of 17091 and 17109 is 9.

GCF(17091,17109) = 9

We will now calculate the prime factors of 17091 and 17109, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17091 and 17109.

How to find the GCF of 17091 and 17109?

We will first find the prime factorization of 17091 and 17109. After we will calculate the factors of 17091 and 17109 and find the biggest common factor number .

Step-1: Prime Factorization of 17091

Prime factors of 17091 are 3, 211. Prime factorization of 17091 in exponential form is:

17091 = 3⁴ × 211¹

Step-2: Prime Factorization of 17109

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

17109 = 3² × 1901¹

Step-3: Factors of 17091

List of positive integer factors of 17091 that divides 17091 without a remainder.

1, 3, 9, 27, 81, 211, 633, 1899, 5697

Step-4: Factors of 17109

List of positive integer factors of 17109 that divides 17091 without a remainder.

1, 3, 9, 1901, 5703

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17091 and 17109. The biggest common factor number is the GCF number.
So the greatest common factor 17091 and 17109 is 9.

Also check out the Least Common Multiple of 17091 and 17109