No, 489 is not a prime number. It is a composite number: its digits add up to 21, which is divisible by 3, so 489 is divisible by 3.
489 has divisors other than 1 and itself. The smallest is 3: 489 ÷ 3 = 163.
Prime factorization: 489 = 3 × 163.
| Number | Prime? |
|---|---|
| 485 | No, 5 × 97 |
| 486 | No, 2 × 3 × 3 × 3 × 3 × 3 |
| 487 | Yes |
| 488 | No, 2 × 2 × 2 × 61 |
| 490 | No, 2 × 5 × 7 × 7 |
| 491 | Yes |
| 492 | No, 2 × 2 × 3 × 41 |
| 493 | No, 17 × 29 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.