No, 136 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
136 has divisors other than 1 and itself. The smallest is 2: 136 ÷ 2 = 68.
Prime factorization: 136 = 2 × 2 × 2 × 17 = 2³ × 17.
| Number | Prime? |
|---|---|
| 132 | No, 2 × 2 × 3 × 11 |
| 133 | No, 7 × 19 |
| 134 | No, 2 × 67 |
| 135 | No, 3 × 3 × 3 × 5 |
| 137 | Yes |
| 138 | No, 2 × 3 × 23 |
| 139 | Yes |
| 140 | No, 2 × 2 × 5 × 7 |
More about 136: factors of 136 · 136 squared · square root of 136 · 136 in binary · 136 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.