18 times 30 is 540. In symbols: 18 × 30 = 540, and 30 × 18 = 540 too.
18 × 30 means adding 18 to itself 30 times: that is 30 copies of 18, which add up to 540.
18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198, 216, ... (keep going to the 30th multiple). The 30th multiple of 18 is 540.
18 × 30 = 18 × 30 = 540 = 540.
Halve one number and double the other: 18 × 30 = 9 × 60 = 540.
540 ÷ 18 = 30
540 ÷ 30 = 18
540 is even. Prime factorization: 2 × 2 × 3 × 3 × 3 × 5.
| Multiplication | Answer |
|---|---|
| 17 × 30 | 510 |
| 19 × 30 | 570 |
| 18 × 29 | 522 |
| 18 × 28 | 504 |
| 20 × 30 | 600 |
| 16 × 30 | 480 |
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.