The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72. That is 12 factors in total.
A factor of 72 is a whole number that divides 72 exactly, with no remainder. 72 is a composite number because it has factors other than 1 and itself.
Two numbers that multiply to give 72:
72 = 2 × 2 × 2 × 3 × 3 = 2³ × 3². The prime factors of 72 are 2 and 3.
| Number | Factors |
|---|---|
| 68 | 1, 2, 4, 17, 34, 68 |
| 69 | 1, 3, 23, 69 |
| 70 | 1, 2, 5, 7, 10, 14, 35, 70 |
| 71 | 1, 71 |
| 73 | 1, 73 |
| 74 | 1, 2, 37, 74 |
| 75 | 1, 3, 5, 15, 25, 75 |
| 76 | 1, 2, 4, 19, 38, 76 |
More about 72: 72 squared · square root of 72 · 72 in binary · 72 in Roman numerals.
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