No, 324 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
324 has divisors other than 1 and itself. The smallest is 2: 324 ÷ 2 = 162.
Prime factorization: 324 = 2 × 2 × 3 × 3 × 3 × 3 = 2² × 3⁴.
| Number | Prime? |
|---|---|
| 320 | No, 2 × 2 × 2 × 2 × 2 × 2 × 5 |
| 321 | No, 3 × 107 |
| 322 | No, 2 × 7 × 23 |
| 323 | No, 17 × 19 |
| 325 | No, 5 × 5 × 13 |
| 326 | No, 2 × 163 |
| 327 | No, 3 × 109 |
| 328 | No, 2 × 2 × 2 × 41 |
More about 324: square root of 324.
Another number? Use the prime number checker for any value, or see the list of prime numbers.