No, 264 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
264 has divisors other than 1 and itself. The smallest is 2: 264 ÷ 2 = 132.
Prime factorization: 264 = 2 × 2 × 2 × 3 × 11 = 2³ × 3 × 11.
| Number | Prime? |
|---|---|
| 260 | No, 2 × 2 × 5 × 13 |
| 261 | No, 3 × 3 × 29 |
| 262 | No, 2 × 131 |
| 263 | Yes |
| 265 | No, 5 × 53 |
| 266 | No, 2 × 7 × 19 |
| 267 | No, 3 × 89 |
| 268 | No, 2 × 2 × 67 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.