Is 7801 a prime number?
No, 7801 is not a prime number. It is divisible by 29: 7801 = 29 × 269.
Is 7801 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 √7801 ≈ 88.32. If none of them divides 7801, it is prime.
- 3
29 divides 7801 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 7801 = 29 \times 269 \]
Testing 7801 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 7801 ÷ 2 | leaves 1 |
| 3 | 7801 ÷ 3 | leaves 1 |
| 5 | 7801 ÷ 5 | leaves 1 |
| 7 | 7801 ÷ 7 | leaves 3 |
| 11 | 7801 ÷ 11 | leaves 2 |
| 13 | 7801 ÷ 13 | leaves 1 |
| 17 | 7801 ÷ 17 | leaves 15 |
| 19 | 7801 ÷ 19 | leaves 11 |
| 23 | 7801 ÷ 23 | leaves 4 |
| 29 | 7801 ÷ 29 | divides exactly (269) |
| 31 | 7801 ÷ 31 | leaves 20 |
| 37 | 7801 ÷ 37 | leaves 31 |
Questions
Is 7801 a prime number?
No, 7801 is not a prime number. It is divisible by 29: 7801 = 29 × 269.
What is the next prime after 7801?
7817.
What is the prime number before 7801?
7793.
What are the factors of 7801?
1, 29, 269, 7801.