3 times 17 is 51. In symbols: 3 × 17 = 51, and 17 × 3 = 51 too.
3 × 17 means adding 3 to itself 17 times: that is 17 copies of 3, which add up to 51.
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, ... (keep going to the 17th multiple). The 17th multiple of 3 is 51.
3 × 17 = 3 × 10 + 3 × 7 = 30 + 21 = 51.
51 ÷ 3 = 17
51 ÷ 17 = 3
51 is odd. Prime factorization: 3 × 17.
| Multiplication | Answer |
|---|---|
| 2 × 17 | 34 |
| 4 × 17 | 68 |
| 3 × 16 | 48 |
| 3 × 18 | 54 |
| 3 × 19 | 57 |
| 3 × 15 | 45 |
| 5 × 17 | 85 |
See also: factors of 51.
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.