No, 208 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
208 has divisors other than 1 and itself. The smallest is 2: 208 ÷ 2 = 104.
Prime factorization: 208 = 2 × 2 × 2 × 2 × 13 = 2⁴ × 13.
| Number | Prime? |
|---|---|
| 204 | No, 2 × 2 × 3 × 17 |
| 205 | No, 5 × 41 |
| 206 | No, 2 × 103 |
| 207 | No, 3 × 3 × 23 |
| 209 | No, 11 × 19 |
| 210 | No, 2 × 3 × 5 × 7 |
| 211 | Yes |
| 212 | No, 2 × 2 × 53 |
More about 208: 208 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.