8 times 15 is 120. In symbols: 8 × 15 = 120, and 15 × 8 = 120 too.
8 × 15 means adding 8 to itself 15 times: that is 15 copies of 8, which add up to 120.
8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, ... (keep going to the 15th multiple). The 15th multiple of 8 is 120.
8 × 15 = 8 × 10 + 8 × 5 = 80 + 40 = 120.
Halve one number and double the other: 8 × 15 = 4 × 30 = 120.
120 ÷ 8 = 15
120 ÷ 15 = 8
120 is even. Prime factorization: 2 × 2 × 2 × 3 × 5.
| Multiplication | Answer |
|---|---|
| 7 × 15 | 105 |
| 9 × 15 | 135 |
| 8 × 14 | 112 |
| 8 × 16 | 128 |
| 8 × 17 | 136 |
| 8 × 13 | 104 |
| 10 × 15 | 150 |
| 6 × 15 | 90 |
See also: factors of 120.
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