Is 239 a prime number?
Yes, 239 is a prime number. Its only factors are 1 and 239.
Is 239 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 √239 ≈ 15.46. If none of them divides 239, it is prime.
- 3
None of them divides 239, so it is prime.
Testing 239 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 239 ÷ 2 | leaves 1 |
| 3 | 239 ÷ 3 | leaves 2 |
| 5 | 239 ÷ 5 | leaves 4 |
| 7 | 239 ÷ 7 | leaves 1 |
| 11 | 239 ÷ 11 | leaves 8 |
| 13 | 239 ÷ 13 | leaves 5 |
Questions
Is 239 a prime number?
Yes, 239 is a prime number. Its only factors are 1 and 239.
What is the next prime after 239?
241.
What is the prime number before 239?
233.
What are the factors of 239?
1, 239.