Can some one show me how to proof this? or this is just common sense? Eg: 36:2,3,6 4: 2 9: 3 Thanks
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For prime number we have : where d is a divisor function .
Originally Posted by cmath Can some one show me how to proof this? or this is just common sense? Eg: 36:2,3,6 4: 2 9: 3 Thanks Think of it this way. If is a divisor of then so is The integer is a perfect square if and only if it has a divisor such that
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