Is 9423 a prime number?
No, 9423 is not a prime number. It is divisible by 3: 9423 = 3 × 3141.
Is 9423 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 √9423 ≈ 97.07. If none of them divides 9423, it is prime.
- 3
3 divides 9423 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 9423 = 3^{3} \times 349 \]Testing 9423 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 9423 ÷ 2 | leaves 1 |
| 3 | 9423 ÷ 3 | divides exactly (3141) |
| 5 | 9423 ÷ 5 | leaves 3 |
| 7 | 9423 ÷ 7 | leaves 1 |
| 11 | 9423 ÷ 11 | leaves 7 |
| 13 | 9423 ÷ 13 | leaves 11 |
| 17 | 9423 ÷ 17 | leaves 5 |
| 19 | 9423 ÷ 19 | leaves 18 |
| 23 | 9423 ÷ 23 | leaves 16 |
| 29 | 9423 ÷ 29 | leaves 27 |
| 31 | 9423 ÷ 31 | leaves 30 |
| 37 | 9423 ÷ 37 | leaves 25 |
Questions
Is 9423 a prime number?
No, 9423 is not a prime number. It is divisible by 3: 9423 = 3 × 3141.
What is the next prime after 9423?
9431.
What is the prime number before 9423?
9421.
What are the factors of 9423?
1, 3, 9, 27, 349, 1047, 3141, 9423.