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Search: Posts Made By: LaurV
Forum: mersennewiki 2013-03-04, 04:52
Replies: 7
Views: 8,238
Posted By LaurV
My point was not only about calculus. You did not...

My point was not only about calculus. You did not get the method either, as you missed subtracting 1 from the "old result" before taking the gcd (see your "further" part), threfore missed the factor....
Forum: mersennewiki 2013-03-04, 03:32
Replies: 7
Views: 8,238
Posted By LaurV
Try figuring out more :D gp >...

Try figuring out more :D


gp > a=Mod(237876521,1<<29-1)^29
%1 = Mod(171331425, 536870911)
gp > gcd(%-1,1<<29-1)
%2 = Mod(486737, 536870911)
gp >
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