13 times 30 is 390. In symbols: 13 × 30 = 390, and 30 × 13 = 390 too.
13 × 30 means adding 13 to itself 30 times: that is 30 copies of 13, which add up to 390.
13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, ... (keep going to the 30th multiple). The 30th multiple of 13 is 390.
13 × 30 = 13 × 30 = 390 = 390.
Halve one number and double the other: 13 × 30 = 15 × 26 = 390.
390 ÷ 13 = 30
390 ÷ 30 = 13
390 is even. Prime factorization: 2 × 3 × 5 × 13.
| Multiplication | Answer |
|---|---|
| 12 × 30 | 360 |
| 14 × 30 | 420 |
| 13 × 29 | 377 |
| 13 × 28 | 364 |
| 15 × 30 | 450 |
| 11 × 30 | 330 |
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.