Yes, 107 is a prime number. Its only factors are 1 and 107.
A number is prime if no smaller prime up to its square root divides it. The square root of 107 is about 10.34, so it is enough to test the primes 2, 3, 5 and 7.
| Divide by | Remainder | Divides evenly? |
|---|---|---|
| 2 | 1 | No |
| 3 | 2 | No |
| 5 | 2 | No |
| 7 | 2 | No |
None of them divides 107 evenly, so 107 is prime.
| Number | Prime? |
|---|---|
| 103 | Yes |
| 104 | No, 2 × 2 × 2 × 13 |
| 105 | No, 3 × 5 × 7 |
| 106 | No, 2 × 53 |
| 108 | No, 2 × 2 × 3 × 3 × 3 |
| 109 | Yes |
| 110 | No, 2 × 5 × 11 |
| 111 | No, 3 × 37 |
More about 107: factors of 107 · 107 squared · square root of 107 · 107 in binary · 107 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.