Question 1172352
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(iv)    One of the divisors is   (3-1) = 2.


              Two other divisors are    {{{3^5-1}}}    and    {{{3^5+1}}}.


              The number   {{{3^2-1}}} = 8  is a divisor,  too.



<H3>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Do not pack more than one problem/question per post.</H3>


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Hello, &nbsp;&nbsp;every question, &nbsp;packed in your post, &nbsp;requires explanations like a separate chapter in a textbook.



When I see so many questions, &nbsp;packed/collected randomly in one post, &nbsp;I start thinking


    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;whether the time just came to open a Psychic clinic at this forum ?