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- All Contests
- ProjectEuler+
- Project Euler #3: Largest prime factor

# Project Euler #3: Largest prime factor

# Project Euler #3: Largest prime factor

Contest ends in

_{This problem is a programming version of Problem 3 from projecteuler.net}

The prime factors of are and .

What is the largest prime factor of a given number ?

**Input Format**

First line contains , the number of test cases. This is followed by lines each containing an integer .

**Constraints**

**Output Format**

For each test case, display the largest prime factor of .

**Sample Input 0**

```
2
10
17
```

**Sample Output 0**

```
5
17
```

**Explanation 0**

- Prime factors of are , largest is .
- Prime factor of is itself, hence largest is .