回复:A Number Question
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jinjing
于
2005-02-06 15:34:59
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It is impossible.We get 1000000....01*m=n^2. 1000.....01can't divided by p^2 ,because 10000.....01=3t+2. let 1000......01=p1*p2*...*ps,m has to be=p1*p2...ps*...,then 1000.......01*m is not repeat number.