Is 297 a prime number?
No, 297 is not a prime number. It is divisible by 3: 297 = 3 × 99.
Is 297 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 √297 ≈ 17.23. If none of them divides 297, it is prime.
- 3
3 divides 297 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 297 = 3^{3} \times 11 \]Testing 297 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 297 ÷ 2 | leaves 1 |
| 3 | 297 ÷ 3 | divides exactly (99) |
| 5 | 297 ÷ 5 | leaves 2 |
| 7 | 297 ÷ 7 | leaves 3 |
| 11 | 297 ÷ 11 | divides exactly (27) |
| 13 | 297 ÷ 13 | leaves 11 |
| 17 | 297 ÷ 17 | leaves 8 |
Questions
Is 297 a prime number?
No, 297 is not a prime number. It is divisible by 3: 297 = 3 × 99.
What is the next prime after 297?
307.
What is the prime number before 297?
293.
What are the factors of 297?
1, 3, 9, 11, 27, 33, 99, 297.