Is 837 a prime number?
No, 837 is not a prime number. It is divisible by 3: 837 = 3 × 279.
Is 837 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 √837 ≈ 28.93. If none of them divides 837, it is prime.
- 3
3 divides 837 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 837 = 3^{3} \times 31 \]Testing 837 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 837 ÷ 2 | leaves 1 |
| 3 | 837 ÷ 3 | divides exactly (279) |
| 5 | 837 ÷ 5 | leaves 2 |
| 7 | 837 ÷ 7 | leaves 4 |
| 11 | 837 ÷ 11 | leaves 1 |
| 13 | 837 ÷ 13 | leaves 5 |
| 17 | 837 ÷ 17 | leaves 4 |
| 19 | 837 ÷ 19 | leaves 1 |
| 23 | 837 ÷ 23 | leaves 9 |
Questions
Is 837 a prime number?
No, 837 is not a prime number. It is divisible by 3: 837 = 3 × 279.
What is the next prime after 837?
839.
What is the prime number before 837?
829.
What are the factors of 837?
1, 3, 9, 27, 31, 93, 279, 837.