Is 237 a prime number?
No, 237 is not a prime number. It is divisible by 3: 237 = 3 × 79.
Is 237 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 √237 ≈ 15.39. If none of them divides 237, it is prime.
- 3
3 divides 237 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 237 = 3 \times 79 \]
Testing 237 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 237 ÷ 2 | leaves 1 |
| 3 | 237 ÷ 3 | divides exactly (79) |
| 5 | 237 ÷ 5 | leaves 2 |
| 7 | 237 ÷ 7 | leaves 6 |
| 11 | 237 ÷ 11 | leaves 6 |
| 13 | 237 ÷ 13 | leaves 3 |
Questions
Is 237 a prime number?
No, 237 is not a prime number. It is divisible by 3: 237 = 3 × 79.
What is the next prime after 237?
239.
What is the prime number before 237?
233.
What are the factors of 237?
1, 3, 79, 237.