Is 2449 a prime number?
No, 2449 is not a prime number. It is divisible by 31: 2449 = 31 × 79.
Is 2449 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 √2449 ≈ 49.49. If none of them divides 2449, it is prime.
- 3
31 divides 2449 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 2449 = 31 \times 79 \]
Testing 2449 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 2449 ÷ 2 | leaves 1 |
| 3 | 2449 ÷ 3 | leaves 1 |
| 5 | 2449 ÷ 5 | leaves 4 |
| 7 | 2449 ÷ 7 | leaves 6 |
| 11 | 2449 ÷ 11 | leaves 7 |
| 13 | 2449 ÷ 13 | leaves 5 |
| 17 | 2449 ÷ 17 | leaves 1 |
| 19 | 2449 ÷ 19 | leaves 17 |
| 23 | 2449 ÷ 23 | leaves 11 |
| 29 | 2449 ÷ 29 | leaves 13 |
| 31 | 2449 ÷ 31 | divides exactly (79) |
| 37 | 2449 ÷ 37 | leaves 7 |
Questions
Is 2449 a prime number?
No, 2449 is not a prime number. It is divisible by 31: 2449 = 31 × 79.
What is the next prime after 2449?
2459.
What is the prime number before 2449?
2447.
What are the factors of 2449?
1, 31, 79, 2449.