The factors of 63 are 1, 3, 7, 9, 21 and 63. That is 6 factors in total.
A factor of 63 is a whole number that divides 63 exactly, with no remainder. 63 is a composite number because it has factors other than 1 and itself.
Two numbers that multiply to give 63:
63 = 3 × 3 × 7 = 3² × 7. The prime factors of 63 are 3 and 7.
| Number | Factors |
|---|---|
| 59 | 1, 59 |
| 60 | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 |
| 61 | 1, 61 |
| 62 | 1, 2, 31, 62 |
| 64 | 1, 2, 4, 8, 16, 32, 64 |
| 65 | 1, 5, 13, 65 |
| 66 | 1, 2, 3, 6, 11, 22, 33, 66 |
| 67 | 1, 67 |
More about 63: 63 squared · square root of 63 · 63 in binary · 63 in Roman numerals.
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