No, 481 is not a prime number. It is a composite number: 481 = 13 × 37.
481 has divisors other than 1 and itself. The smallest is 13: 481 ÷ 13 = 37.
Prime factorization: 481 = 13 × 37.
| Number | Prime? |
|---|---|
| 477 | No, 3 × 3 × 53 |
| 478 | No, 2 × 239 |
| 479 | Yes |
| 480 | No, 2 × 2 × 2 × 2 × 2 × 3 × 5 |
| 482 | No, 2 × 241 |
| 483 | No, 3 × 7 × 23 |
| 484 | No, 2 × 2 × 11 × 11 |
| 485 | No, 5 × 97 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.