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Factors of 55

The factors of 55 are 1, 5, 11, 55. No, 55 is a composite number. Its prime factorization is 5 × 11.

Factors of 55
1, 5, 11, 55
Prime or Composite
Composite
Perfect Square
No
Prime Factorization
5 × 11
Sum of Factors
72
Factor Pairs
1 × 55 = 55
5 × 11 = 55

Frequently Asked Questions

What are the factors of 55?

The factors of 55 are 1, 5, 11, 55.

Is 55 a prime number?

No, 55 is a composite number. Its prime factorization is 5 × 11.

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