No, 108 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
108 has divisors other than 1 and itself. The smallest is 2: 108 ÷ 2 = 54.
Prime factorization: 108 = 2 × 2 × 3 × 3 × 3 = 2² × 3³.
| Number | Prime? |
|---|---|
| 104 | No, 2 × 2 × 2 × 13 |
| 105 | No, 3 × 5 × 7 |
| 106 | No, 2 × 53 |
| 107 | Yes |
| 109 | Yes |
| 110 | No, 2 × 5 × 11 |
| 111 | No, 3 × 37 |
| 112 | No, 2 × 2 × 2 × 2 × 7 |
More about 108: factors of 108 · 108 squared · square root of 108 · 108 in binary · 108 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.