No, 1,357 is not a prime number. It is a composite number: 1,357 = 23 × 59.
1,357 has divisors other than 1 and itself. The smallest is 23: 1,357 ÷ 23 = 59.
Prime factorization: 1,357 = 23 × 59.
| Number | Prime? |
|---|---|
| 1,111 | No, 11 × 101 |
| 1,201 | Yes |
| 1,231 | Yes |
| 1,297 | Yes |
| 1,459 | Yes |
| 1,501 | No, 19 × 79 |
| 1,601 | Yes |
| 1,729 | No, 7 × 13 × 19 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.