回复：A Number Question

来源: jinjing 于 2005-02-06 15:34:59 [] [旧帖] [给我悄悄话] 阅读数 : (205 bytes)

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.

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• I'm wrong -jinjing- ♀ 给 jinjing 发送悄悄话 (45 bytes) () 02/06/2005 postreply 16:06:27

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