Is 9901 a prime number?
Yes, 9901 is a prime number. Its only factors are 1 and 9901.
Is 9901 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 √9901 ≈ 99.50. If none of them divides 9901, it is prime.
- 3
None of them divides 9901, so it is prime.
Testing 9901 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 9901 ÷ 2 | leaves 1 |
| 3 | 9901 ÷ 3 | leaves 1 |
| 5 | 9901 ÷ 5 | leaves 1 |
| 7 | 9901 ÷ 7 | leaves 3 |
| 11 | 9901 ÷ 11 | leaves 1 |
| 13 | 9901 ÷ 13 | leaves 8 |
| 17 | 9901 ÷ 17 | leaves 7 |
| 19 | 9901 ÷ 19 | leaves 2 |
| 23 | 9901 ÷ 23 | leaves 11 |
| 29 | 9901 ÷ 29 | leaves 12 |
| 31 | 9901 ÷ 31 | leaves 12 |
| 37 | 9901 ÷ 37 | leaves 22 |
Questions
Is 9901 a prime number?
Yes, 9901 is a prime number. Its only factors are 1 and 9901.
What is the next prime after 9901?
9907.
What is the prime number before 9901?
9887.
What are the factors of 9901?
1, 9901.