The factors of 55 are 1, 5, 11 and 55. That is 4 factors in total.
A factor of 55 is a whole number that divides 55 exactly, with no remainder. 55 is a composite number because it has factors other than 1 and itself.
Two numbers that multiply to give 55:
55 = 5 × 11. The prime factors of 55 are 5 and 11.
| Number | Factors |
|---|---|
| 51 | 1, 3, 17, 51 |
| 52 | 1, 2, 4, 13, 26, 52 |
| 53 | 1, 53 |
| 54 | 1, 2, 3, 6, 9, 18, 27, 54 |
| 56 | 1, 2, 4, 7, 8, 14, 28, 56 |
| 57 | 1, 3, 19, 57 |
| 58 | 1, 2, 29, 58 |
| 59 | 1, 59 |
More about 55: 55 squared · square root of 55 · 55 in binary · 55 in Roman numerals.
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