No, 435 is not a prime number. It is a composite number: it ends in 5, so it is divisible by 5.
435 has divisors other than 1 and itself. The smallest is 3: 435 ÷ 3 = 145.
Prime factorization: 435 = 3 × 5 × 29.
| Number | Prime? |
|---|---|
| 431 | Yes |
| 432 | No, 2 × 2 × 2 × 2 × 3 × 3 × 3 |
| 433 | Yes |
| 434 | No, 2 × 7 × 31 |
| 436 | No, 2 × 2 × 109 |
| 437 | No, 19 × 23 |
| 438 | No, 2 × 3 × 73 |
| 439 | Yes |
Another number? Use the prime number checker for any value, or see the list of prime numbers.