No, 348 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
348 has divisors other than 1 and itself. The smallest is 2: 348 ÷ 2 = 174.
Prime factorization: 348 = 2 × 2 × 3 × 29 = 2² × 3 × 29.
| Number | Prime? |
|---|---|
| 344 | No, 2 × 2 × 2 × 43 |
| 345 | No, 3 × 5 × 23 |
| 346 | No, 2 × 173 |
| 347 | Yes |
| 349 | Yes |
| 350 | No, 2 × 5 × 5 × 7 |
| 351 | No, 3 × 3 × 3 × 13 |
| 352 | No, 2 × 2 × 2 × 2 × 2 × 11 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.