Quote:
Originally Posted by axn
3 min 7 sec / 11 sec = 17x
23min 7 sec / 1 min 38.5 sec = 14x
OP's code has better scaling than GMP-based one !
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Paridroid gave 4.66 and 28.66 seconds with a halfass script:
Code:
try(p)=my(x=Mod(4,2^p-1));for(y=3,p,sqr(x)-2);x==0