**The Prime Number Riddle Solution - 5 October**
What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

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**Solution**Except 2 and 3, all the prime numbers are in a form of (6k +1) or (6k -1)

Therefore, you can use the formula to write down the prime numbers as:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 61, 67, 71, 73

Now, you can separate numbers as per the requirement that are:

3, 11, 13, 23, 31, 41, 43, 53, 61, 71 and 73
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