Is 432 a prime number?
No, 432 is not a prime number. It is divisible by 2: 432 = 2 × 216.
Is 432 prime?
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A prime number has exactly two factors: 1 and itself.
- 2
It is enough to test the primes up to √432 ≈ 20.78. If none of them divides 432, it is prime.
- 3
2 divides 432 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 432 = 2^{4} \times 3^{3} \]Testing 432 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 432 ÷ 2 | divides exactly (216) |
| 3 | 432 ÷ 3 | divides exactly (144) |
| 5 | 432 ÷ 5 | leaves 2 |
| 7 | 432 ÷ 7 | leaves 5 |
| 11 | 432 ÷ 11 | leaves 3 |
| 13 | 432 ÷ 13 | leaves 3 |
| 17 | 432 ÷ 17 | leaves 7 |
| 19 | 432 ÷ 19 | leaves 14 |
Questions
Is 432 a prime number?
No, 432 is not a prime number. It is divisible by 2: 432 = 2 × 216.
What is the next prime after 432?
433.
What is the prime number before 432?
431.
What are the factors of 432?
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432.