Is 3040 a prime number?
No, 3040 is not a prime number. It is divisible by 2: 3040 = 2 × 1520.
Is 3040 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 √3040 ≈ 55.14. If none of them divides 3040, it is prime.
- 3
2 divides 3040 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 3040 = 2^{5} \times 5 \times 19 \]Testing 3040 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 3040 ÷ 2 | divides exactly (1520) |
| 3 | 3040 ÷ 3 | leaves 1 |
| 5 | 3040 ÷ 5 | divides exactly (608) |
| 7 | 3040 ÷ 7 | leaves 2 |
| 11 | 3040 ÷ 11 | leaves 4 |
| 13 | 3040 ÷ 13 | leaves 11 |
| 17 | 3040 ÷ 17 | leaves 14 |
| 19 | 3040 ÷ 19 | divides exactly (160) |
| 23 | 3040 ÷ 23 | leaves 4 |
| 29 | 3040 ÷ 29 | leaves 24 |
| 31 | 3040 ÷ 31 | leaves 2 |
| 37 | 3040 ÷ 37 | leaves 6 |
Questions
Is 3040 a prime number?
No, 3040 is not a prime number. It is divisible by 2: 3040 = 2 × 1520.
What is the next prime after 3040?
3041.
What is the prime number before 3040?
3037.
What are the factors of 3040?
1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040.