No, 238 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
238 has divisors other than 1 and itself. The smallest is 2: 238 ÷ 2 = 119.
Prime factorization: 238 = 2 × 7 × 17.
| Number | Prime? |
|---|---|
| 234 | No, 2 × 3 × 3 × 13 |
| 235 | No, 5 × 47 |
| 236 | No, 2 × 2 × 59 |
| 237 | No, 3 × 79 |
| 239 | Yes |
| 240 | No, 2 × 2 × 2 × 2 × 3 × 5 |
| 241 | Yes |
| 242 | No, 2 × 11 × 11 |
More about 238: 238 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.