No, 1,111 is not a prime number. It is a composite number: 1,111 = 11 × 101.
1,111 has divisors other than 1 and itself. The smallest is 11: 1,111 ÷ 11 = 101.
Prime factorization: 1,111 = 11 × 101.
| Number | Prime? |
|---|---|
| 1,001 | No, 7 × 11 × 13 |
| 1,009 | Yes |
| 1,024 | No, 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 |
| 1,049 | Yes |
| 1,201 | Yes |
| 1,231 | Yes |
| 1,297 | Yes |
| 1,357 | No, 23 × 59 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.