The book is now available! 107050
(just those submitted by Hartley)
Prime Curios!
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Just showing those entries submitted by 'Hartley': (Click here to show all)

+ The total number of completely filled 5x5 crossword puzzles which contain the word "PRIME," either horizontally or vertically, with words taken from the Official Scrabble Dictionary (the de facto standard). Three randomly-chosen examples are:

E P H A S     P S A L M     S E T A L
G R A M A     A A L I I     E Y R I E
G I V E N     P R I M E     P R I M E
E M E N D     A G A I N     T I T E R
R E N D S     W E S T S     S E E R S .


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