7 times 15 is 105. In symbols: 7 × 15 = 105, and 15 × 7 = 105 too.
7 × 15 means adding 7 to itself 15 times: that is 15 copies of 7, which add up to 105.
7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, ... (keep going to the 15th multiple). The 15th multiple of 7 is 105.
7 × 15 = 7 × 10 + 7 × 5 = 70 + 35 = 105.
105 ÷ 7 = 15
105 ÷ 15 = 7
105 is odd. Prime factorization: 3 × 5 × 7.
| Multiplication | Answer |
|---|---|
| 6 × 15 | 90 |
| 8 × 15 | 120 |
| 7 × 14 | 98 |
| 7 × 16 | 112 |
| 7 × 17 | 119 |
| 7 × 13 | 91 |
| 9 × 15 | 135 |
| 5 × 15 | 75 |
See also: factors of 105.
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.