27 times 28 is 756. In symbols: 27 × 28 = 756, and 28 × 27 = 756 too.
27 × 28 means adding 27 to itself 28 times: that is 28 copies of 27, which add up to 756.
27, 54, 81, 108, 135, 162, 189, 216, 243, 270, 297, 324, ... (keep going to the 28th multiple). The 28th multiple of 27 is 756.
27 × 28 = 27 × 20 + 27 × 8 = 540 + 216 = 756.
Halve one number and double the other: 27 × 28 = 14 × 54 = 756.
756 ÷ 27 = 28
756 ÷ 28 = 27
756 is even. Prime factorization: 2 × 2 × 3 × 3 × 3 × 7.
| Multiplication | Answer |
|---|---|
| 26 × 28 | 728 |
| 28 × 28 | 784 |
| 27 × 27 | 729 |
| 27 × 29 | 783 |
| 27 × 30 | 810 |
| 26 × 27 | 702 |
| 28 × 29 | 812 |
| 25 × 28 | 700 |
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.