No, 160 is not a prime number. It is a composite number: it is even, so it is divisible by 2.
160 has divisors other than 1 and itself. The smallest is 2: 160 ÷ 2 = 80.
Prime factorization: 160 = 2 × 2 × 2 × 2 × 2 × 5 = 2⁵ × 5.
| Number | Prime? |
|---|---|
| 156 | No, 2 × 2 × 3 × 13 |
| 157 | Yes |
| 158 | No, 2 × 79 |
| 159 | No, 3 × 53 |
| 161 | No, 7 × 23 |
| 162 | No, 2 × 3 × 3 × 3 × 3 |
| 163 | Yes |
| 164 | No, 2 × 2 × 41 |
More about 160: factors of 160 · square root of 160 · 160 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.