No, 480 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
480 has divisors other than 1 and itself. The smallest is 2: 480 ÷ 2 = 240.
Prime factorization: 480 = 2 × 2 × 2 × 2 × 2 × 3 × 5 = 2⁵ × 3 × 5.
| Number | Prime? |
|---|---|
| 476 | No, 2 × 2 × 7 × 17 |
| 477 | No, 3 × 3 × 53 |
| 478 | No, 2 × 239 |
| 479 | Yes |
| 481 | No, 13 × 37 |
| 482 | No, 2 × 241 |
| 483 | No, 3 × 7 × 23 |
| 484 | No, 2 × 2 × 11 × 11 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.