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What is the Greatest Common Factor of 15998 and 16017?

Greatest common factor (GCF) of 15998 and 16017 is 19.

GCF(15998,16017) = 19

We will now calculate the prime factors of 15998 and 16017, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15998 and 16017.

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How to find the GCF of 15998 and 16017?

We will first find the prime factorization of 15998 and 16017. After we will calculate the factors of 15998 and 16017 and find the biggest common factor number .

Step-1: Prime Factorization of 15998

Prime factors of 15998 are 2, 19, 421. Prime factorization of 15998 in exponential form is:

15998 = 21 × 191 × 4211

Step-2: Prime Factorization of 16017

Prime factors of 16017 are 3, 19, 281. Prime factorization of 16017 in exponential form is:

16017 = 31 × 191 × 2811

Step-3: Factors of 15998

List of positive integer factors of 15998 that divides 15998 without a remainder.

1, 2, 19, 38, 421, 842, 7999

Step-4: Factors of 16017

List of positive integer factors of 16017 that divides 15998 without a remainder.

1, 3, 19, 57, 281, 843, 5339

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15998 and 16017. The biggest common factor number is the GCF number.
So the greatest common factor 15998 and 16017 is 19.

Also check out the Least Common Multiple of 15998 and 16017