pseudoprimi

Have you ever noticed that there’s no attempt being made to find really large numbers that aren’t prime? I mean, wouldn’t you like to see a news report that says “Today the Department of Computer Sciences at the University of Washington announced that 2^{58,111,625,031}+8 is even. This is the largest non-prime yet reported.”

– bathroom graffiti, University of Washington

C-x 2 ovvero ho splittato in due la finestra, come la chiudo?

per tutti i fuori di testa come me che non si ricordano le cose, una cura emacs style contro la perdita di memoria!

emacsRefCard.pdf