Is 942 a prime number?
No, 942 is not a prime number. It is divisible by 2: 942 = 2 × 471.
Is 942 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 √942 ≈ 30.69. If none of them divides 942, it is prime.
- 3
2 divides 942 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 942 = 2 \times 3 \times 157 \]
Testing 942 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 942 ÷ 2 | divides exactly (471) |
| 3 | 942 ÷ 3 | divides exactly (314) |
| 5 | 942 ÷ 5 | leaves 2 |
| 7 | 942 ÷ 7 | leaves 4 |
| 11 | 942 ÷ 11 | leaves 7 |
| 13 | 942 ÷ 13 | leaves 6 |
| 17 | 942 ÷ 17 | leaves 7 |
| 19 | 942 ÷ 19 | leaves 11 |
| 23 | 942 ÷ 23 | leaves 22 |
| 29 | 942 ÷ 29 | leaves 14 |
Questions
Is 942 a prime number?
No, 942 is not a prime number. It is divisible by 2: 942 = 2 × 471.
What is the next prime after 942?
947.
What is the prime number before 942?
941.
What are the factors of 942?
1, 2, 3, 6, 157, 314, 471, 942.