Is 339 a prime number?
No, 339 is not a prime number. It is divisible by 3: 339 = 3 × 113.
Is 339 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 √339 ≈ 18.41. If none of them divides 339, it is prime.
- 3
3 divides 339 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 339 = 3 \times 113 \]
Testing 339 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 339 ÷ 2 | leaves 1 |
| 3 | 339 ÷ 3 | divides exactly (113) |
| 5 | 339 ÷ 5 | leaves 4 |
| 7 | 339 ÷ 7 | leaves 3 |
| 11 | 339 ÷ 11 | leaves 9 |
| 13 | 339 ÷ 13 | leaves 1 |
| 17 | 339 ÷ 17 | leaves 16 |
Questions
Is 339 a prime number?
No, 339 is not a prime number. It is divisible by 3: 339 = 3 × 113.
What is the next prime after 339?
347.
What is the prime number before 339?
337.
What are the factors of 339?
1, 3, 113, 339.