No, 93 is not a prime number. It is a composite number: its digits add up to 12, which is divisible by 3, so 93 is divisible by 3.
93 has divisors other than 1 and itself. The smallest is 3: 93 ÷ 3 = 31.
Prime factorization: 93 = 3 × 31.
| Number | Prime? |
|---|---|
| 89 | Yes |
| 90 | No, 2 × 3 × 3 × 5 |
| 91 | No, 7 × 13 |
| 92 | No, 2 × 2 × 23 |
| 94 | No, 2 × 47 |
| 95 | No, 5 × 19 |
| 96 | No, 2 × 2 × 2 × 2 × 2 × 3 |
| 97 | Yes |
More about 93: factors of 93 · 93 squared · square root of 93 · 93 in binary · 93 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.