3 times 24 is 72. In symbols: 3 × 24 = 72, and 24 × 3 = 72 too.
3 × 24 means adding 3 to itself 24 times: that is 24 copies of 3, which add up to 72.
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ... (keep going to the 24th multiple). The 24th multiple of 3 is 72.
3 × 24 = 3 × 20 + 3 × 4 = 60 + 12 = 72.
Halve one number and double the other: 3 × 24 = 12 × 6 = 72.
72 ÷ 3 = 24
72 ÷ 24 = 3
72 is even. Prime factorization: 2 × 2 × 2 × 3 × 3.
| Multiplication | Answer |
|---|---|
| 2 × 24 | 48 |
| 4 × 24 | 96 |
| 3 × 23 | 69 |
| 3 × 25 | 75 |
| 3 × 26 | 78 |
| 3 × 22 | 66 |
| 5 × 24 | 120 |
See also: factors of 72.
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