No, 492 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
492 has divisors other than 1 and itself. The smallest is 2: 492 ÷ 2 = 246.
Prime factorization: 492 = 2 × 2 × 3 × 41 = 2² × 3 × 41.
| Number | Prime? |
|---|---|
| 488 | No, 2 × 2 × 2 × 61 |
| 489 | No, 3 × 163 |
| 490 | No, 2 × 5 × 7 × 7 |
| 491 | Yes |
| 493 | No, 17 × 29 |
| 494 | No, 2 × 13 × 19 |
| 495 | No, 3 × 3 × 5 × 11 |
| 496 | No, 2 × 2 × 2 × 2 × 31 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.