No, 104 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
104 has divisors other than 1 and itself. The smallest is 2: 104 ÷ 2 = 52.
Prime factorization: 104 = 2 × 2 × 2 × 13 = 2³ × 13.
| Number | Prime? |
|---|---|
| 100 | No, 2 × 2 × 5 × 5 |
| 101 | Yes |
| 102 | No, 2 × 3 × 17 |
| 103 | Yes |
| 105 | No, 3 × 5 × 7 |
| 106 | No, 2 × 53 |
| 107 | Yes |
| 108 | No, 2 × 2 × 3 × 3 × 3 |
More about 104: factors of 104 · 104 squared · square root of 104 · 104 in binary · 104 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.