Is 940 a prime number?
No, 940 is not a prime number. It is divisible by 2: 940 = 2 × 470.
Is 940 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 √940 ≈ 30.66. If none of them divides 940, it is prime.
- 3
2 divides 940 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 940 = 2^{2} \times 5 \times 47 \]Testing 940 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 940 ÷ 2 | divides exactly (470) |
| 3 | 940 ÷ 3 | leaves 1 |
| 5 | 940 ÷ 5 | divides exactly (188) |
| 7 | 940 ÷ 7 | leaves 2 |
| 11 | 940 ÷ 11 | leaves 5 |
| 13 | 940 ÷ 13 | leaves 4 |
| 17 | 940 ÷ 17 | leaves 5 |
| 19 | 940 ÷ 19 | leaves 9 |
| 23 | 940 ÷ 23 | leaves 20 |
| 29 | 940 ÷ 29 | leaves 12 |
Questions
Is 940 a prime number?
No, 940 is not a prime number. It is divisible by 2: 940 = 2 × 470.
What is the next prime after 940?
941.
What is the prime number before 940?
937.
What are the factors of 940?
1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940.