28 times 29 is 812. In symbols: 28 × 29 = 812, and 29 × 28 = 812 too.
28 × 29 means adding 28 to itself 29 times: that is 29 copies of 28, which add up to 812.
28, 56, 84, 112, 140, 168, 196, 224, 252, 280, 308, 336, ... (keep going to the 29th multiple). The 29th multiple of 28 is 812.
28 × 29 = 28 × 20 + 28 × 9 = 560 + 252 = 812.
Halve one number and double the other: 28 × 29 = 14 × 58 = 812.
812 ÷ 28 = 29
812 ÷ 29 = 28
812 is even. Prime factorization: 2 × 2 × 7 × 29.
| Multiplication | Answer |
|---|---|
| 27 × 29 | 783 |
| 29 × 29 | 841 |
| 28 × 28 | 784 |
| 28 × 30 | 840 |
| 27 × 28 | 756 |
| 29 × 30 | 870 |
| 26 × 29 | 754 |
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.