No, 440 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
440 has divisors other than 1 and itself. The smallest is 2: 440 ÷ 2 = 220.
Prime factorization: 440 = 2 × 2 × 2 × 5 × 11 = 2³ × 5 × 11.
| Number | Prime? |
|---|---|
| 436 | No, 2 × 2 × 109 |
| 437 | No, 19 × 23 |
| 438 | No, 2 × 3 × 73 |
| 439 | Yes |
| 441 | No, 3 × 3 × 7 × 7 |
| 442 | No, 2 × 13 × 17 |
| 443 | Yes |
| 444 | No, 2 × 2 × 3 × 37 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.