'Dr.' Elphinstone

bragoria · 2003-07-12, 00:52

After being inspired by the mathematical research performed by 'Dr.' Elphinstone... ;) (http://www.mersenneforum.org/viewtopic.php?t=832) I'd thought I'd post the following puzzle...

Find a small factor (or any factor) of the Mersenne number 2^(157,456,128,945,769)-1.

btw - I haven't actually found a factor for this number... and it would take longer than the age of the universe to test this number for primality on a P4, so if you can't find a small factor, you should probably just give up.

But don't worry, it's only 47,399,017,813,816 digits long!

Bragoria

Wacky · 2003-07-12, 01:06

This is off topic.

"Puzzles" are restricted to problems for which the poster can, and will, post a solution after a few days.

2003-07-12, 00:52	#1
bragoria Jun 2003 3 Posts	'Dr.' Elphinstone After being inspired by the mathematical research performed by 'Dr.' Elphinstone... ;) (http://www.mersenneforum.org/viewtopic.php?t=832) I'd thought I'd post the following puzzle... Find a small factor (or any factor) of the Mersenne number 2^(157,456,128,945,769)-1. btw - I haven't actually found a factor for this number... and it would take longer than the age of the universe to test this number for primality on a P4, so if you can't find a small factor, you should probably just give up. But don't worry, it's only 47,399,017,813,816 digits long! Bragoria

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2003-07-12, 01:06	#2
Wacky Jun 2003 The Texas Hill Country 3²×11² Posts	This is off topic. "Puzzles" are restricted to problems for which the poster can, and will, post a solution after a few days.