11 times 15 is 165. In symbols: 11 × 15 = 165, and 15 × 11 = 165 too.
11 × 15 means adding 11 to itself 15 times: that is 15 copies of 11, which add up to 165.
11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132, ... (keep going to the 15th multiple). The 15th multiple of 11 is 165.
11 × 15 = 11 × 10 + 11 × 5 = 110 + 55 = 165.
165 ÷ 11 = 15
165 ÷ 15 = 11
165 is odd. Prime factorization: 3 × 5 × 11.
| Multiplication | Answer |
|---|---|
| 10 × 15 | 150 |
| 12 × 15 | 180 |
| 11 × 14 | 154 |
| 11 × 16 | 176 |
| 11 × 17 | 187 |
| 11 × 13 | 143 |
| 13 × 15 | 195 |
| 9 × 15 | 135 |
See also: factors of 165.
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