15 times 20 is 300. In symbols: 15 × 20 = 300, and 20 × 15 = 300 too.
15 × 20 means adding 15 to itself 20 times: that is 20 copies of 15, which add up to 300.
15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, ... (keep going to the 20th multiple). The 20th multiple of 15 is 300.
15 × 20 = 15 × 20 = 300 = 300.
Halve one number and double the other: 15 × 20 = 10 × 30 = 300.
300 ÷ 15 = 20
300 ÷ 20 = 15
300 is even. Prime factorization: 2 × 2 × 3 × 5 × 5.
| Multiplication | Answer |
|---|---|
| 14 × 20 | 280 |
| 16 × 20 | 320 |
| 15 × 19 | 285 |
| 15 × 21 | 315 |
| 15 × 22 | 330 |
| 15 × 18 | 270 |
| 17 × 20 | 340 |
| 13 × 20 | 260 |
See also: factors of 300.
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.