No, 388 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
388 has divisors other than 1 and itself. The smallest is 2: 388 ÷ 2 = 194.
Prime factorization: 388 = 2 × 2 × 97 = 2² × 97.
| Number | Prime? |
|---|---|
| 384 | No, 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 |
| 385 | No, 5 × 7 × 11 |
| 386 | No, 2 × 193 |
| 387 | No, 3 × 3 × 43 |
| 389 | Yes |
| 390 | No, 2 × 3 × 5 × 13 |
| 391 | No, 17 × 23 |
| 392 | No, 2 × 2 × 2 × 7 × 7 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.