No, 201 is not a prime number. It is a composite number: its digits add up to 3, which is divisible by 3, so 201 is divisible by 3.
201 has divisors other than 1 and itself. The smallest is 3: 201 ÷ 3 = 67.
Prime factorization: 201 = 3 × 67.
| Number | Prime? |
|---|---|
| 197 | Yes |
| 198 | No, 2 × 3 × 3 × 11 |
| 199 | Yes |
| 200 | No, 2 × 2 × 2 × 5 × 5 |
| 202 | No, 2 × 101 |
| 203 | No, 7 × 29 |
| 204 | No, 2 × 2 × 3 × 17 |
| 205 | No, 5 × 41 |
More about 201: 201 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.