5 times 8 is 40. In symbols: 5 × 8 = 40, and 8 × 5 = 40 too.
5 × 8 means adding 5 to itself 8 times: 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 = 40.
5, 10, 15, 20, 25, 30, 35, 40. The 8th multiple of 5 is 40.
5 × 8 = 5 × 4 + 5 × 4 = 20 + 20 = 40.
Halve one number and double the other: 5 × 8 = 4 × 10 = 40.
40 ÷ 5 = 8
40 ÷ 8 = 5
40 is even. Prime factorization: 2 × 2 × 2 × 5.
| Multiplication | Answer |
|---|---|
| 4 × 8 | 32 |
| 6 × 8 | 48 |
| 5 × 7 | 35 |
| 5 × 9 | 45 |
| 5 × 10 | 50 |
| 5 × 6 | 30 |
| 7 × 8 | 56 |
| 3 × 8 | 24 |
See also: factors of 40.
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.