[irchans]

For many years number theory had no applications but since the advent of computers, many applications have arrived. Most of the applications are in encryption, but you occasionally run into number theory in other fields (e.g. CDMA for cell phone transmission, pseudo-random number generation).


PS:
513^128 =

78527674095678372984552781105929458007589456144486 82
65644231223842532332696067633795458244587461783802 15
02477421627930646460271928516001276777242677537671 02
04753715518451952675490654125302312881638160106707 57
06828700240755793013636138691904689489491326625021 94
48497782634590705850754151909775421521223364755619 37
93612817448994130470020200985067521