No, 175 is not a prime number. It is a composite number: it ends in 5, so it is divisible by 5.
175 has divisors other than 1 and itself. The smallest is 5: 175 ÷ 5 = 35.
Prime factorization: 175 = 5 × 5 × 7 = 5² × 7.
| Number | Prime? |
|---|---|
| 171 | No, 3 × 3 × 19 |
| 172 | No, 2 × 2 × 43 |
| 173 | Yes |
| 174 | No, 2 × 3 × 29 |
| 176 | No, 2 × 2 × 2 × 2 × 11 |
| 177 | No, 3 × 59 |
| 178 | No, 2 × 89 |
| 179 | Yes |
More about 175: factors of 175 · square root of 175 · 175 in binary.
Another number? Use the prime number checker for any value, or see the list of prime numbers.