No, 270 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
270 has divisors other than 1 and itself. The smallest is 2: 270 ÷ 2 = 135.
Prime factorization: 270 = 2 × 3 × 3 × 3 × 5 = 2 × 3³ × 5.
| Number | Prime? |
|---|---|
| 266 | No, 2 × 7 × 19 |
| 267 | No, 3 × 89 |
| 268 | No, 2 × 2 × 67 |
| 269 | Yes |
| 271 | Yes |
| 272 | No, 2 × 2 × 2 × 2 × 17 |
| 273 | No, 3 × 7 × 13 |
| 274 | No, 2 × 137 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.