No, 319 is not a prime number. It is a composite number: 319 = 11 × 29.
319 has divisors other than 1 and itself. The smallest is 11: 319 ÷ 11 = 29.
Prime factorization: 319 = 11 × 29.
| Number | Prime? |
|---|---|
| 315 | No, 3 × 3 × 5 × 7 |
| 316 | No, 2 × 2 × 79 |
| 317 | Yes |
| 318 | No, 2 × 3 × 53 |
| 320 | No, 2 × 2 × 2 × 2 × 2 × 2 × 5 |
| 321 | No, 3 × 107 |
| 322 | No, 2 × 7 × 23 |
| 323 | No, 17 × 19 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.