11 times 23 is 253. In symbols: 11 × 23 = 253, and 23 × 11 = 253 too.
11 × 23 means adding 11 to itself 23 times: that is 23 copies of 11, which add up to 253.
11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132, ... (keep going to the 23th multiple). The 23th multiple of 11 is 253.
11 × 23 = 11 × 20 + 11 × 3 = 220 + 33 = 253.
253 ÷ 11 = 23
253 ÷ 23 = 11
253 is odd. Prime factorization: 11 × 23.
| Multiplication | Answer |
|---|---|
| 10 × 23 | 230 |
| 12 × 23 | 276 |
| 11 × 22 | 242 |
| 11 × 24 | 264 |
| 11 × 25 | 275 |
| 11 × 21 | 231 |
| 13 × 23 | 299 |
| 9 × 23 | 207 |
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