No, 248 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
248 has divisors other than 1 and itself. The smallest is 2: 248 ÷ 2 = 124.
Prime factorization: 248 = 2 × 2 × 2 × 31 = 2³ × 31.
| Number | Prime? |
|---|---|
| 244 | No, 2 × 2 × 61 |
| 245 | No, 5 × 7 × 7 |
| 246 | No, 2 × 3 × 41 |
| 247 | No, 13 × 19 |
| 249 | No, 3 × 83 |
| 250 | No, 2 × 5 × 5 × 5 |
| 251 | Yes |
| 252 | No, 2 × 2 × 3 × 3 × 7 |
More about 248: 248 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.