Trap Networks

Q:	How many IBM types does it take to change a light bulb?
A:	Fifteen.  One to do it, and fourteen to write document number
	GC7500439-0001, Multitasking Incandescent Source System Facility,
	of which 10% of the pages state only "This page intentionally
	left blank", and 20% of the definitions are of the form "A:.....
	consists of sequences of non-blank characters separated by blanks".

$where {p,q} are prime, n = pq, ed is congruent to 1 mod ((p-1)(q-1)), C = M^e(mod n), M = C^d(mod n)$