No, 436 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
436 has divisors other than 1 and itself. The smallest is 2: 436 ÷ 2 = 218.
Prime factorization: 436 = 2 × 2 × 109 = 2² × 109.
| Number | Prime? |
|---|---|
| 432 | No, 2 × 2 × 2 × 2 × 3 × 3 × 3 |
| 433 | Yes |
| 434 | No, 2 × 7 × 31 |
| 435 | No, 3 × 5 × 29 |
| 437 | No, 19 × 23 |
| 438 | No, 2 × 3 × 73 |
| 439 | Yes |
| 440 | No, 2 × 2 × 2 × 5 × 11 |
Another number? Use the prime number checker for any value, or see the list of prime numbers.