Is 9889 a prime number?
No, 9889 is not a prime number. It is divisible by 11: 9889 = 11 × 899.
Is 9889 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 √9889 ≈ 99.44. If none of them divides 9889, it is prime.
- 3
11 divides 9889 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 9889 = 11 \times 29 \times 31 \]
Testing 9889 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 9889 ÷ 2 | leaves 1 |
| 3 | 9889 ÷ 3 | leaves 1 |
| 5 | 9889 ÷ 5 | leaves 4 |
| 7 | 9889 ÷ 7 | leaves 5 |
| 11 | 9889 ÷ 11 | divides exactly (899) |
| 13 | 9889 ÷ 13 | leaves 9 |
| 17 | 9889 ÷ 17 | leaves 12 |
| 19 | 9889 ÷ 19 | leaves 9 |
| 23 | 9889 ÷ 23 | leaves 22 |
| 29 | 9889 ÷ 29 | divides exactly (341) |
| 31 | 9889 ÷ 31 | divides exactly (319) |
| 37 | 9889 ÷ 37 | leaves 10 |
Questions
Is 9889 a prime number?
No, 9889 is not a prime number. It is divisible by 11: 9889 = 11 × 899.
What is the next prime after 9889?
9901.
What is the prime number before 9889?
9887.
What are the factors of 9889?
1, 11, 29, 31, 319, 341, 899, 9889.