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Greatest Common Factor of 9 and 15

Greatest common factor (GCF) of 9 and 15 is 3.

GCF(9,15) = 3

We will now calculate the prime factors of 9 and 15, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9 and 15.

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Prime Factorization of 9

Prime factors of 9 are 3. Prime factorization of 9 in exponential form is:

9 = 32

Prime Factorization of 15

Prime factors of 15 are 3, 5. Prime factorization of 15 in exponential form is:

15 = 31 × 51

Factors of 9

List of positive integer factors of 9 that divides 9 without a remainder.

1, 3

Factors of 15

List of positive integer factors of 15 that divides 9 without a remainder.

1, 3, 5

Greatest Common Factor

We found the factors and prime factorization of 9 and 15. The biggest common factor number is the GCF number.
So the greatest common factor 9 and 15 is 3.

Also check out the Least Common Multiple of 9 and 15

Recent Comments
gorge 2018-11-06 18:20:24

thanks

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