No, 115 is not a prime number. It is a composite number: it ends in 5, so it is divisible by 5.
115 has divisors other than 1 and itself. The smallest is 5: 115 ÷ 5 = 23.
Prime factorization: 115 = 5 × 23.
| Number | Prime? |
|---|---|
| 111 | No, 3 × 37 |
| 112 | No, 2 × 2 × 2 × 2 × 7 |
| 113 | Yes |
| 114 | No, 2 × 3 × 19 |
| 116 | No, 2 × 2 × 29 |
| 117 | No, 3 × 3 × 13 |
| 118 | No, 2 × 59 |
| 119 | No, 7 × 17 |
More about 115: factors of 115 · 115 squared · square root of 115 · 115 in binary · 115 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.