No, 493 is not a prime number. It is a composite number: 493 = 17 × 29.
493 has divisors other than 1 and itself. The smallest is 17: 493 ÷ 17 = 29.
Prime factorization: 493 = 17 × 29.
| Number | Prime? |
|---|---|
| 489 | No, 3 × 163 |
| 490 | No, 2 × 5 × 7 × 7 |
| 491 | Yes |
| 492 | No, 2 × 2 × 3 × 41 |
| 494 | No, 2 × 13 × 19 |
| 495 | No, 3 × 3 × 5 × 11 |
| 496 | No, 2 × 2 × 2 × 2 × 31 |
| 497 | No, 7 × 71 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.