107050

This number is a composite.

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 .

[Hartley]