Is 2940 a prime number?
No, 2940 is not a prime number. It is divisible by 2: 2940 = 2 × 1470.
Is 2940 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 √2940 ≈ 54.22. If none of them divides 2940, it is prime.
- 3
2 divides 2940 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 2940 = 2^{2} \times 3 \times 5 \times 7^{2} \]Testing 2940 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 2940 ÷ 2 | divides exactly (1470) |
| 3 | 2940 ÷ 3 | divides exactly (980) |
| 5 | 2940 ÷ 5 | divides exactly (588) |
| 7 | 2940 ÷ 7 | divides exactly (420) |
| 11 | 2940 ÷ 11 | leaves 3 |
| 13 | 2940 ÷ 13 | leaves 2 |
| 17 | 2940 ÷ 17 | leaves 16 |
| 19 | 2940 ÷ 19 | leaves 14 |
| 23 | 2940 ÷ 23 | leaves 19 |
| 29 | 2940 ÷ 29 | leaves 11 |
| 31 | 2940 ÷ 31 | leaves 26 |
| 37 | 2940 ÷ 37 | leaves 17 |
Questions
Is 2940 a prime number?
No, 2940 is not a prime number. It is divisible by 2: 2940 = 2 × 1470.
What is the next prime after 2940?
2953.
What is the prime number before 2940?
2939.
What are the factors of 2940?
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940.