Is 835 a prime number?
No, 835 is not a prime number. It is divisible by 5: 835 = 5 × 167.
Is 835 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 √835 ≈ 28.90. If none of them divides 835, it is prime.
- 3
5 divides 835 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 835 = 5 \times 167 \]
Testing 835 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 835 ÷ 2 | leaves 1 |
| 3 | 835 ÷ 3 | leaves 1 |
| 5 | 835 ÷ 5 | divides exactly (167) |
| 7 | 835 ÷ 7 | leaves 2 |
| 11 | 835 ÷ 11 | leaves 10 |
| 13 | 835 ÷ 13 | leaves 3 |
| 17 | 835 ÷ 17 | leaves 2 |
| 19 | 835 ÷ 19 | leaves 18 |
| 23 | 835 ÷ 23 | leaves 7 |
Questions
Is 835 a prime number?
No, 835 is not a prime number. It is divisible by 5: 835 = 5 × 167.
What is the next prime after 835?
839.
What is the prime number before 835?
829.
What are the factors of 835?
1, 5, 167, 835.