No, 432 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
432 has divisors other than 1 and itself. The smallest is 2: 432 ÷ 2 = 216.
Prime factorization: 432 = 2 × 2 × 2 × 2 × 3 × 3 × 3 = 2⁴ × 3³.
| Number | Prime? |
|---|---|
| 428 | No, 2 × 2 × 107 |
| 429 | No, 3 × 11 × 13 |
| 430 | No, 2 × 5 × 43 |
| 431 | Yes |
| 433 | Yes |
| 434 | No, 2 × 7 × 31 |
| 435 | No, 3 × 5 × 29 |
| 436 | No, 2 × 2 × 109 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.