No, 216 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
216 has divisors other than 1 and itself. The smallest is 2: 216 ÷ 2 = 108.
Prime factorization: 216 = 2 × 2 × 2 × 3 × 3 × 3 = 2³ × 3³.
| Number | Prime? |
|---|---|
| 212 | No, 2 × 2 × 53 |
| 213 | No, 3 × 71 |
| 214 | No, 2 × 107 |
| 215 | No, 5 × 43 |
| 217 | No, 7 × 31 |
| 218 | No, 2 × 109 |
| 219 | No, 3 × 73 |
| 220 | No, 2 × 2 × 5 × 11 |
More about 216: 216 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.