Spiderman_1_1's blog

By Spiderman_1_1, history, 3 years ago, In English

Given an integer $$$N$$$, how many of its divisors are also divisors of $$$N - 1$$$?

For Chinese readers, Chinese statement is here:

Chinese Statement

Someone says it's related to the theoretical proof of the $$$abc$$$ conjecture, but I simply cannot understand why...

 
 
 
 
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3 years ago, # |
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1

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3 years ago, # |
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$$$gcd(x,x-1)=gcd(x-1,x-x+1)=gcd(x-1,1)=1$$$

:D

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3 years ago, # |
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Your chinese statement is crap. Are you trolling or what?