Is 7425 a prime number?
No, 7425 is not a prime number. It is divisible by 3: 7425 = 3 × 2475.
Is 7425 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 √7425 ≈ 86.17. If none of them divides 7425, it is prime.
- 3
3 divides 7425 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 7425 = 3^{3} \times 5^{2} \times 11 \]Testing 7425 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 7425 ÷ 2 | leaves 1 |
| 3 | 7425 ÷ 3 | divides exactly (2475) |
| 5 | 7425 ÷ 5 | divides exactly (1485) |
| 7 | 7425 ÷ 7 | leaves 5 |
| 11 | 7425 ÷ 11 | divides exactly (675) |
| 13 | 7425 ÷ 13 | leaves 2 |
| 17 | 7425 ÷ 17 | leaves 13 |
| 19 | 7425 ÷ 19 | leaves 15 |
| 23 | 7425 ÷ 23 | leaves 19 |
| 29 | 7425 ÷ 29 | leaves 1 |
| 31 | 7425 ÷ 31 | leaves 16 |
| 37 | 7425 ÷ 37 | leaves 25 |
Questions
Is 7425 a prime number?
No, 7425 is not a prime number. It is divisible by 3: 7425 = 3 × 2475.
What is the next prime after 7425?
7433.
What is the prime number before 7425?
7417.
What are the factors of 7425?
1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 7425.