Is 6987 a prime number?
No, 6987 is not a prime number. It is divisible by 3: 6987 = 3 × 2329.
Is 6987 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 √6987 ≈ 83.59. If none of them divides 6987, it is prime.
- 3
3 divides 6987 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 6987 = 3 \times 17 \times 137 \]
Testing 6987 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 6987 ÷ 2 | leaves 1 |
| 3 | 6987 ÷ 3 | divides exactly (2329) |
| 5 | 6987 ÷ 5 | leaves 2 |
| 7 | 6987 ÷ 7 | leaves 1 |
| 11 | 6987 ÷ 11 | leaves 2 |
| 13 | 6987 ÷ 13 | leaves 6 |
| 17 | 6987 ÷ 17 | divides exactly (411) |
| 19 | 6987 ÷ 19 | leaves 14 |
| 23 | 6987 ÷ 23 | leaves 18 |
| 29 | 6987 ÷ 29 | leaves 27 |
| 31 | 6987 ÷ 31 | leaves 12 |
| 37 | 6987 ÷ 37 | leaves 31 |
Questions
Is 6987 a prime number?
No, 6987 is not a prime number. It is divisible by 3: 6987 = 3 × 2329.
What is the next prime after 6987?
6991.
What is the prime number before 6987?
6983.
What are the factors of 6987?
1, 3, 17, 51, 137, 411, 2329, 6987.