No, 363 is not a prime number. It is a composite number: its digits add up to 12, which is divisible by 3, so 363 is divisible by 3.
363 has divisors other than 1 and itself. The smallest is 3: 363 ÷ 3 = 121.
Prime factorization: 363 = 3 × 11 × 11 = 3 × 11².
| Number | Prime? |
|---|---|
| 359 | Yes |
| 360 | No, 2 × 2 × 2 × 3 × 3 × 5 |
| 361 | No, 19 × 19 |
| 362 | No, 2 × 181 |
| 364 | No, 2 × 2 × 7 × 13 |
| 365 | No, 5 × 73 |
| 366 | No, 2 × 3 × 61 |
| 367 | Yes |
Another number? Use the prime number checker for any value, or see the list of prime numbers.