No, 430 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
430 has divisors other than 1 and itself. The smallest is 2: 430 ÷ 2 = 215.
Prime factorization: 430 = 2 × 5 × 43.
| Number | Prime? |
|---|---|
| 426 | No, 2 × 3 × 71 |
| 427 | No, 7 × 61 |
| 428 | No, 2 × 2 × 107 |
| 429 | No, 3 × 11 × 13 |
| 431 | Yes |
| 432 | No, 2 × 2 × 2 × 2 × 3 × 3 × 3 |
| 433 | Yes |
| 434 | No, 2 × 7 × 31 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.