No, 230 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
230 has divisors other than 1 and itself. The smallest is 2: 230 ÷ 2 = 115.
Prime factorization: 230 = 2 × 5 × 23.
| Number | Prime? |
|---|---|
| 226 | No, 2 × 113 |
| 227 | Yes |
| 228 | No, 2 × 2 × 3 × 19 |
| 229 | Yes |
| 231 | No, 3 × 7 × 11 |
| 232 | No, 2 × 2 × 2 × 29 |
| 233 | Yes |
| 234 | No, 2 × 3 × 3 × 13 |
More about 230: 230 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.