4 times 30 is 120. In symbols: 4 × 30 = 120, and 30 × 4 = 120 too.
4 × 30 means adding 4 to itself 30 times: that is 30 copies of 4, which add up to 120.
4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, ... (keep going to the 30th multiple). The 30th multiple of 4 is 120.
4 × 30 = 4 × 30 = 120 = 120.
Halve one number and double the other: 4 × 30 = 2 × 60 = 120.
120 ÷ 4 = 30
120 ÷ 30 = 4
120 is even. Prime factorization: 2 × 2 × 2 × 3 × 5.
| Multiplication | Answer |
|---|---|
| 3 × 30 | 90 |
| 5 × 30 | 150 |
| 4 × 29 | 116 |
| 4 × 28 | 112 |
| 6 × 30 | 180 |
| 2 × 30 | 60 |
See also: factors of 120.
Other numbers? Browse the multiplication table, the squares and cubes or the exponent calculator.