15 times 30 is 450. In symbols: 15 × 30 = 450, and 30 × 15 = 450 too.
15 × 30 means adding 15 to itself 30 times: that is 30 copies of 15, which add up to 450.
15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, ... (keep going to the 30th multiple). The 30th multiple of 15 is 450.
15 × 30 = 15 × 30 = 450 = 450.
Halve one number and double the other: 15 × 30 = 15 × 30 = 450.
450 ÷ 15 = 30
450 ÷ 30 = 15
450 is even. Prime factorization: 2 × 3 × 3 × 5 × 5.
| Multiplication | Answer |
|---|---|
| 14 × 30 | 420 |
| 16 × 30 | 480 |
| 15 × 29 | 435 |
| 15 × 28 | 420 |
| 17 × 30 | 510 |
| 13 × 30 | 390 |
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.