Is 201 a prime number?
No, 201 is not a prime number. It is divisible by 3: 201 = 3 × 67.
Is 201 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 √201 ≈ 14.18. If none of them divides 201, it is prime.
- 3
3 divides 201 exactly, so it is not prime. Its prime factorisation is
LaTeX source of the formulas on this page
\[ 201 = 3 \times 67 \]
Testing 201 by the primes up to its square root
| Prime | Division | Result |
|---|---|---|
| 2 | 201 ÷ 2 | leaves 1 |
| 3 | 201 ÷ 3 | divides exactly (67) |
| 5 | 201 ÷ 5 | leaves 1 |
| 7 | 201 ÷ 7 | leaves 5 |
| 11 | 201 ÷ 11 | leaves 3 |
| 13 | 201 ÷ 13 | leaves 6 |
Questions
Is 201 a prime number?
No, 201 is not a prime number. It is divisible by 3: 201 = 3 × 67.
What is the next prime after 201?
211.
What is the prime number before 201?
199.
What are the factors of 201?
1, 3, 67, 201.