Is 8425 a prime number?
No, 8425 is not a prime number. It is divisible by 5: 8425 = 5 × 1685.
Is 8425 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 √8425 ≈ 91.79. If none of them divides 8425, it is prime.
- 3
5 divides 8425 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 8425 = 5^{2} \times 337 \]Testing 8425 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 8425 ÷ 2 | leaves 1 |
| 3 | 8425 ÷ 3 | leaves 1 |
| 5 | 8425 ÷ 5 | divides exactly (1685) |
| 7 | 8425 ÷ 7 | leaves 4 |
| 11 | 8425 ÷ 11 | leaves 10 |
| 13 | 8425 ÷ 13 | leaves 1 |
| 17 | 8425 ÷ 17 | leaves 10 |
| 19 | 8425 ÷ 19 | leaves 8 |
| 23 | 8425 ÷ 23 | leaves 7 |
| 29 | 8425 ÷ 29 | leaves 15 |
| 31 | 8425 ÷ 31 | leaves 24 |
| 37 | 8425 ÷ 37 | leaves 26 |
Questions
Is 8425 a prime number?
No, 8425 is not a prime number. It is divisible by 5: 8425 = 5 × 1685.
What is the next prime after 8425?
8429.
What is the prime number before 8425?
8423.
What are the factors of 8425?
1, 5, 25, 337, 1685, 8425.