00944    a2200193   4500003000500000005001700005010001700022020002800039040000900067082001500076100002200091245007200113246002900185250001200214260004600226300003300272505042600305650001900731Nust20221116101950.0  a  2004057054  a0321237072 (alk. paper)  cNust00a512.72,HUS1 aRosen, Kenneth H.10aElementary number theory and its applications / cKenneth H. Rosen.30aElementary number theory  a2nd ed.  aBoston :bPearson/Addison Wesley,cc2005.  axx, 721 p. :bill. ;c25 cm.  aThe Intrgers (Page-1), Greatest Common Divisiors and Prime Facrorization (Page-70), Congruences (Page-110), Applications of Congruences (Page-147), Some Specia congruences (Page-166), Multiplicative functions (Page-185), Cryptology  (Page-208), Primitive Roots (Page-249), Quadratic Residues and Reciprocity  (Page-299), Decimal Fractions and Contiued Fractons (Page-343), Some Nomlinear Diophantine Equations (Page-393). 0aNumber theory.