Is 9918 a prime number?
No, 9918 is not a prime number. It is divisible by 2: 9918 = 2 × 4959.
Is 9918 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 √9918 ≈ 99.59. If none of them divides 9918, it is prime.
- 3
2 divides 9918 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 9918 = 2 \times 3^{2} \times 19 \times 29 \]Testing 9918 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 9918 ÷ 2 | divides exactly (4959) |
| 3 | 9918 ÷ 3 | divides exactly (3306) |
| 5 | 9918 ÷ 5 | leaves 3 |
| 7 | 9918 ÷ 7 | leaves 6 |
| 11 | 9918 ÷ 11 | leaves 7 |
| 13 | 9918 ÷ 13 | leaves 12 |
| 17 | 9918 ÷ 17 | leaves 7 |
| 19 | 9918 ÷ 19 | divides exactly (522) |
| 23 | 9918 ÷ 23 | leaves 5 |
| 29 | 9918 ÷ 29 | divides exactly (342) |
| 31 | 9918 ÷ 31 | leaves 29 |
| 37 | 9918 ÷ 37 | leaves 2 |
Questions
Is 9918 a prime number?
No, 9918 is not a prime number. It is divisible by 2: 9918 = 2 × 4959.
What is the next prime after 9918?
9923.
What is the prime number before 9918?
9907.
What are the factors of 9918?
1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 3306, 4959, 9918.