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What is the Greatest Common Factor of 16605 and 16617?

Greatest common factor (GCF) of 16605 and 16617 is 3.

GCF(16605,16617) = 3

We will now calculate the prime factors of 16605 and 16617, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16605 and 16617.

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How to find the GCF of 16605 and 16617?

We will first find the prime factorization of 16605 and 16617. After we will calculate the factors of 16605 and 16617 and find the biggest common factor number .

Step-1: Prime Factorization of 16605

Prime factors of 16605 are 3, 5, 41. Prime factorization of 16605 in exponential form is:

16605 = 34 × 51 × 411

Step-2: Prime Factorization of 16617

Prime factors of 16617 are 3, 29, 191. Prime factorization of 16617 in exponential form is:

16617 = 31 × 291 × 1911

Step-3: Factors of 16605

List of positive integer factors of 16605 that divides 16605 without a remainder.

1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 3321, 5535

Step-4: Factors of 16617

List of positive integer factors of 16617 that divides 16605 without a remainder.

1, 3, 29, 87, 191, 573, 5539

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16605 and 16617. The biggest common factor number is the GCF number.
So the greatest common factor 16605 and 16617 is 3.

Also check out the Least Common Multiple of 16605 and 16617