8 times 16 is 128. In symbols: 8 × 16 = 128, and 16 × 8 = 128 too.
8 × 16 means adding 8 to itself 16 times: that is 16 copies of 8, which add up to 128.
8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, ... (keep going to the 16th multiple). The 16th multiple of 8 is 128.
8 × 16 = 8 × 10 + 8 × 6 = 80 + 48 = 128.
Halve one number and double the other: 8 × 16 = 4 × 32 = 128.
128 ÷ 8 = 16
128 ÷ 16 = 8
128 is even. Prime factorization: 2 × 2 × 2 × 2 × 2 × 2 × 2.
| Multiplication | Answer |
|---|---|
| 7 × 16 | 112 |
| 9 × 16 | 144 |
| 8 × 15 | 120 |
| 8 × 17 | 136 |
| 8 × 18 | 144 |
| 8 × 14 | 112 |
| 10 × 16 | 160 |
| 6 × 16 | 96 |
See also: factors of 128.
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