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Thread: Not even sure??

  1. #1
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    Not even sure??

    Hi,
    I have tried fiddling with this question, but haven't really gotten anywhere...?
    Do I need to just sub in values and solve intuitively?

    Question:
    A positive integer is equal to the sum of the squares of its four smallest positive divisors. What is the largest prime that divides this positive integer?

    Thanks

  2. #2
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    Re: Not even sure??

    i feel as thou this is an Olympiad level problem; too difficult for me anyway. If this is your first time encountering number theory i would recommend starting off with something far easier; if your familiar with it and are aware of it's difficultly u can ignore this message. I would assume u take alot of different cases; does 1 count as a divisor?
    Finding values which satisfy conditions will probably be useful.
    Last edited by mrbunton; 12 Jul 2018 at 8:55 PM.

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