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Re:Prime Explorer by Rinum on Wednesday April 01, 2015 @09:35AM (#9303375)
This got me 100% prime

-622x² + 1868x + 2011

Re:Prime Explorer by kefka on Wednesday April 01, 2015 @10:37AM (#9303906)
For the range they display, that is true.

If X = 2011, then you end up with

-2511684703, which is a factor of 2011 and (-1247104+1868+1).