13 times 27 is 351. In symbols: 13 × 27 = 351, and 27 × 13 = 351 too.
13 × 27 means adding 13 to itself 27 times: that is 27 copies of 13, which add up to 351.
13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, ... (keep going to the 27th multiple). The 27th multiple of 13 is 351.
13 × 27 = 13 × 20 + 13 × 7 = 260 + 91 = 351.
351 ÷ 13 = 27
351 ÷ 27 = 13
351 is odd. Prime factorization: 3 × 3 × 3 × 13.
| Multiplication | Answer |
|---|---|
| 12 × 27 | 324 |
| 14 × 27 | 378 |
| 13 × 26 | 338 |
| 13 × 28 | 364 |
| 13 × 29 | 377 |
| 13 × 25 | 325 |
| 15 × 27 | 405 |
| 11 × 27 | 297 |
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