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Forum: Operation Billion Digits 2015-10-05, 12:38
Replies: 39
Views: 28,264
Posted By science_man_88
8-th grade was the average we had to be able to...

8-th grade was the average we had to be able to explain things at in pharmacy because that's the average for the public in general here. I suck at writing my handwriting's been compared to that of a...
Forum: Operation Billion Digits 2015-09-27, 15:13
Replies: 39
Views: 28,264
Posted By science_man_88
like for a number of form k*b^n+1 you can prove...

like for a number of form k*b^n+1 you can prove that if gcd((k-y)*b^n,y*b^n+1)!=1 that it's composite but this could require as many as k separate tests.
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