No, 146 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
146 has divisors other than 1 and itself. The smallest is 2: 146 ÷ 2 = 73.
Prime factorization: 146 = 2 × 73.
| Number | Prime? |
|---|---|
| 142 | No, 2 × 71 |
| 143 | No, 11 × 13 |
| 144 | No, 2 × 2 × 2 × 2 × 3 × 3 |
| 145 | No, 5 × 29 |
| 147 | No, 3 × 7 × 7 |
| 148 | No, 2 × 2 × 37 |
| 149 | Yes |
| 150 | No, 2 × 3 × 5 × 5 |
More about 146: factors of 146 · 146 squared · square root of 146 · 146 in binary · 146 in Roman numerals.
Another number? Use the prime number checker for any value, or see the list of prime numbers.