5 times 23 is 115. In symbols: 5 × 23 = 115, and 23 × 5 = 115 too.
5 × 23 means adding 5 to itself 23 times: that is 23 copies of 5, which add up to 115.
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ... (keep going to the 23th multiple). The 23th multiple of 5 is 115.
5 × 23 = 5 × 20 + 5 × 3 = 100 + 15 = 115.
115 ÷ 5 = 23
115 ÷ 23 = 5
115 is odd. Prime factorization: 5 × 23.
| Multiplication | Answer |
|---|---|
| 4 × 23 | 92 |
| 6 × 23 | 138 |
| 5 × 22 | 110 |
| 5 × 24 | 120 |
| 5 × 25 | 125 |
| 5 × 21 | 105 |
| 7 × 23 | 161 |
| 3 × 23 | 69 |
See also: factors of 115.
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