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What is the Greatest Common Factor of 15657 and 15674?

Greatest common factor (GCF) of 15657 and 15674 is 17.

GCF(15657,15674) = 17

We will now calculate the prime factors of 15657 and 15674, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15657 and 15674.

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How to find the GCF of 15657 and 15674?

We will first find the prime factorization of 15657 and 15674. After we will calculate the factors of 15657 and 15674 and find the biggest common factor number .

Step-1: Prime Factorization of 15657

Prime factors of 15657 are 3, 17, 307. Prime factorization of 15657 in exponential form is:

15657 = 31 × 171 × 3071

Step-2: Prime Factorization of 15674

Prime factors of 15674 are 2, 17, 461. Prime factorization of 15674 in exponential form is:

15674 = 21 × 171 × 4611

Step-3: Factors of 15657

List of positive integer factors of 15657 that divides 15657 without a remainder.

1, 3, 17, 51, 307, 921, 5219

Step-4: Factors of 15674

List of positive integer factors of 15674 that divides 15657 without a remainder.

1, 2, 17, 34, 461, 922, 7837

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15657 and 15674. The biggest common factor number is the GCF number.
So the greatest common factor 15657 and 15674 is 17.

Also check out the Least Common Multiple of 15657 and 15674