Phil Carmody on Sat, 12 Mar 2005 13:48:17 +0100


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modular square roots 

The following seems to give a non-zero result on various versions of GP,
including the latest nightly build. 

lift(sqrt(Mod(-1,73!+1))^2+1)

For the ones that fail they fail for all larger n!+1 primes too, but not
smaller such primes. 

The only version I can find that works is 2.2.8 build 1.999.

Phil


When inserting a CD, hold down shift to stop the AutoRun feature
In the Device Manager, disable the SbcpHid device.
http://www.cs.princeton.edu/~jhalderm/cd3/


		
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