No, 259 is not a prime number. It is a composite number: 259 = 7 × 37.
259 has divisors other than 1 and itself. The smallest is 7: 259 ÷ 7 = 37.
Prime factorization: 259 = 7 × 37.
| Number | Prime? |
|---|---|
| 255 | No, 3 × 5 × 17 |
| 256 | No, 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 |
| 257 | Yes |
| 258 | No, 2 × 3 × 43 |
| 260 | No, 2 × 2 × 5 × 13 |
| 261 | No, 3 × 3 × 29 |
| 262 | No, 2 × 131 |
| 263 | Yes |
Another number? Use the prime number checker for any value, or see the list of prime numbers.