No, 118 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
118 has divisors other than 1 and itself. The smallest is 2: 118 ÷ 2 = 59.
Prime factorization: 118 = 2 × 59.
| Number | Prime? |
|---|---|
| 114 | No, 2 × 3 × 19 |
| 115 | No, 5 × 23 |
| 116 | No, 2 × 2 × 29 |
| 117 | No, 3 × 3 × 13 |
| 119 | No, 7 × 17 |
| 120 | No, 2 × 2 × 2 × 3 × 5 |
| 121 | No, 11 × 11 |
| 122 | No, 2 × 61 |
More about 118: factors of 118 · 118 squared · square root of 118 · 118 in binary · 118 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.