Is 3139 a prime number?
No, 3139 is not a prime number. It is divisible by 43: 3139 = 43 × 73.
Is 3139 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 √3139 ≈ 56.03. If none of them divides 3139, it is prime.
- 3
43 divides 3139 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 3139 = 43 \times 73 \]
Testing 3139 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 3139 ÷ 2 | leaves 1 |
| 3 | 3139 ÷ 3 | leaves 1 |
| 5 | 3139 ÷ 5 | leaves 4 |
| 7 | 3139 ÷ 7 | leaves 3 |
| 11 | 3139 ÷ 11 | leaves 4 |
| 13 | 3139 ÷ 13 | leaves 6 |
| 17 | 3139 ÷ 17 | leaves 11 |
| 19 | 3139 ÷ 19 | leaves 4 |
| 23 | 3139 ÷ 23 | leaves 11 |
| 29 | 3139 ÷ 29 | leaves 7 |
| 31 | 3139 ÷ 31 | leaves 8 |
| 37 | 3139 ÷ 37 | leaves 31 |
Questions
Is 3139 a prime number?
No, 3139 is not a prime number. It is divisible by 43: 3139 = 43 × 73.
What is the next prime after 3139?
3163.
What is the prime number before 3139?
3137.
What are the factors of 3139?
1, 43, 73, 3139.