13 times 23 is 299. In symbols: 13 × 23 = 299, and 23 × 13 = 299 too.
13 × 23 means adding 13 to itself 23 times: that is 23 copies of 13, which add up to 299.
13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, ... (keep going to the 23th multiple). The 23th multiple of 13 is 299.
13 × 23 = 13 × 20 + 13 × 3 = 260 + 39 = 299.
299 ÷ 13 = 23
299 ÷ 23 = 13
299 is odd. Prime factorization: 13 × 23.
| Multiplication | Answer |
|---|---|
| 12 × 23 | 276 |
| 14 × 23 | 322 |
| 13 × 22 | 286 |
| 13 × 24 | 312 |
| 13 × 25 | 325 |
| 13 × 21 | 273 |
| 15 × 23 | 345 |
| 11 × 23 | 253 |
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