No, 791 is not a prime number. It is a composite number: 791 = 7 × 113.
791 has divisors other than 1 and itself. The smallest is 7: 791 ÷ 7 = 113.
Prime factorization: 791 = 7 × 113.
| Number | Prime? |
|---|---|
| 713 | No, 23 × 31 |
| 721 | No, 7 × 103 |
| 743 | Yes |
| 771 | No, 3 × 257 |
| 801 | No, 3 × 3 × 89 |
| 811 | Yes |
| 821 | Yes |
| 851 | No, 23 × 37 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.