13 times 28 is 364. In symbols: 13 × 28 = 364, and 28 × 13 = 364 too.
13 × 28 means adding 13 to itself 28 times: that is 28 copies of 13, which add up to 364.
13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, ... (keep going to the 28th multiple). The 28th multiple of 13 is 364.
13 × 28 = 13 × 20 + 13 × 8 = 260 + 104 = 364.
Halve one number and double the other: 13 × 28 = 14 × 26 = 364.
364 ÷ 13 = 28
364 ÷ 28 = 13
364 is even. Prime factorization: 2 × 2 × 7 × 13.
| Multiplication | Answer |
|---|---|
| 12 × 28 | 336 |
| 14 × 28 | 392 |
| 13 × 27 | 351 |
| 13 × 29 | 377 |
| 13 × 30 | 390 |
| 13 × 26 | 338 |
| 15 × 28 | 420 |
| 11 × 28 | 308 |
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.