8 times 18 is 144. In symbols: 8 × 18 = 144, and 18 × 8 = 144 too.
8 × 18 means adding 8 to itself 18 times: that is 18 copies of 8, which add up to 144.
8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, ... (keep going to the 18th multiple). The 18th multiple of 8 is 144.
8 × 18 = 8 × 10 + 8 × 8 = 80 + 64 = 144.
Halve one number and double the other: 8 × 18 = 4 × 36 = 144.
144 ÷ 8 = 18
144 ÷ 18 = 8
144 is even. Prime factorization: 2 × 2 × 2 × 2 × 3 × 3.
| Multiplication | Answer |
|---|---|
| 7 × 18 | 126 |
| 9 × 18 | 162 |
| 8 × 17 | 136 |
| 8 × 19 | 152 |
| 8 × 20 | 160 |
| 8 × 16 | 128 |
| 10 × 18 | 180 |
| 6 × 18 | 108 |
See also: factors of 144.
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