No, 213 is not a prime number. It is a composite number: its digits add up to 6, which is divisible by 3, so 213 is divisible by 3.
213 has divisors other than 1 and itself. The smallest is 3: 213 ÷ 3 = 71.
Prime factorization: 213 = 3 × 71.
| Number | Prime? |
|---|---|
| 209 | No, 11 × 19 |
| 210 | No, 2 × 3 × 5 × 7 |
| 211 | Yes |
| 212 | No, 2 × 2 × 53 |
| 214 | No, 2 × 107 |
| 215 | No, 5 × 43 |
| 216 | No, 2 × 2 × 2 × 3 × 3 × 3 |
| 217 | No, 7 × 31 |
More about 213: 213 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.