No, 36 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
36 has divisors other than 1 and itself. The smallest is 2: 36 ÷ 2 = 18.
Prime factorization: 36 = 2 × 2 × 3 × 3 = 2² × 3².
| Number | Prime? |
|---|---|
| 32 | No, 2 × 2 × 2 × 2 × 2 |
| 33 | No, 3 × 11 |
| 34 | No, 2 × 17 |
| 35 | No, 5 × 7 |
| 37 | Yes |
| 38 | No, 2 × 19 |
| 39 | No, 3 × 13 |
| 40 | No, 2 × 2 × 2 × 5 |
More about 36: factors of 36 · 36 squared · square root of 36 · 36 in binary · 36 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.