No, 242 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
242 has divisors other than 1 and itself. The smallest is 2: 242 ÷ 2 = 121.
Prime factorization: 242 = 2 × 11 × 11 = 2 × 11².
| Number | Prime? |
|---|---|
| 238 | No, 2 × 7 × 17 |
| 239 | Yes |
| 240 | No, 2 × 2 × 2 × 2 × 3 × 5 |
| 241 | Yes |
| 243 | No, 3 × 3 × 3 × 3 × 3 |
| 244 | No, 2 × 2 × 61 |
| 245 | No, 5 × 7 × 7 |
| 246 | No, 2 × 3 × 41 |
More about 242: 242 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.