What is the Greatest Common Factor of 17658 and 17665?

Greatest common factor (GCF) of 17658 and 17665 is 1.

GCF(17658,17665) = 1

We will now calculate the prime factors of 17658 and 17665, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17658 and 17665.

How to find the GCF of 17658 and 17665?

We will first find the prime factorization of 17658 and 17665. After we will calculate the factors of 17658 and 17665 and find the biggest common factor number .

Step-1: Prime Factorization of 17658

Prime factors of 17658 are 2, 3, 109. Prime factorization of 17658 in exponential form is:

17658 = 2¹ × 3⁴ × 109¹

Step-2: Prime Factorization of 17665

Prime factors of 17665 are 5, 3533. Prime factorization of 17665 in exponential form is:

17665 = 5¹ × 3533¹

Step-3: Factors of 17658

List of positive integer factors of 17658 that divides 17658 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 218, 327, 654, 981, 1962, 2943, 5886, 8829

Step-4: Factors of 17665

List of positive integer factors of 17665 that divides 17658 without a remainder.

1, 5, 3533

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17658 and 17665. The biggest common factor number is the GCF number.
So the greatest common factor 17658 and 17665 is 1.

Also check out the Least Common Multiple of 17658 and 17665