No, 346 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
346 has divisors other than 1 and itself. The smallest is 2: 346 ÷ 2 = 173.
Prime factorization: 346 = 2 × 173.
| Number | Prime? |
|---|---|
| 342 | No, 2 × 3 × 3 × 19 |
| 343 | No, 7 × 7 × 7 |
| 344 | No, 2 × 2 × 2 × 43 |
| 345 | No, 3 × 5 × 23 |
| 347 | Yes |
| 348 | No, 2 × 2 × 3 × 29 |
| 349 | Yes |
| 350 | No, 2 × 5 × 5 × 7 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.