No, 354 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
354 has divisors other than 1 and itself. The smallest is 2: 354 ÷ 2 = 177.
Prime factorization: 354 = 2 × 3 × 59.
| Number | Prime? |
|---|---|
| 350 | No, 2 × 5 × 5 × 7 |
| 351 | No, 3 × 3 × 3 × 13 |
| 352 | No, 2 × 2 × 2 × 2 × 2 × 11 |
| 353 | Yes |
| 355 | No, 5 × 71 |
| 356 | No, 2 × 2 × 89 |
| 357 | No, 3 × 7 × 17 |
| 358 | No, 2 × 179 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.