WorkedMathGlossary

Factors of 15

The factors of 15 are 1, 3, 5, 15. No, 15 is a composite number. Its prime factorization is 3 × 5.

Factors of 15
1, 3, 5, 15
Prime or Composite
Composite
Perfect Square
No
Prime Factorization
3 × 5
Sum of Factors
24
Factor Pairs
1 × 15 = 15
3 × 5 = 15

Frequently Asked Questions

What are the factors of 15?

The factors of 15 are 1, 3, 5, 15.

Is 15 a prime number?

No, 15 is a composite number. Its prime factorization is 3 × 5.

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