No, 237 is not a prime number. It is a composite number: its digits add up to 12, which is divisible by 3, so 237 is divisible by 3.
237 has divisors other than 1 and itself. The smallest is 3: 237 ÷ 3 = 79.
Prime factorization: 237 = 3 × 79.
| Number | Prime? |
|---|---|
| 233 | Yes |
| 234 | No, 2 × 3 × 3 × 13 |
| 235 | No, 5 × 47 |
| 236 | No, 2 × 2 × 59 |
| 238 | No, 2 × 7 × 17 |
| 239 | Yes |
| 240 | No, 2 × 2 × 2 × 2 × 3 × 5 |
| 241 | Yes |
More about 237: 237 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.