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Divisible by 2009 (Posted on 2013-01-05) Difficulty: 3 of 5
Show that 3100n - 650n - 558n + 117n is divisible by 2009 for every positive integer n.

No Solution Yet Submitted by K Sengupta    
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Some Thoughts As years go by... | Comment 1 of 4

Indeed it is.

And the same, a little more topically, is also true of:


  Posted by broll on 2013-01-05 23:36:02
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