000			01158nam a22001577a 4500
003			NUST
005			20221117132838.0
008			221117b ||||| |||| 00| 0 eng d
082			_a512.72,DUD
100			_aDudley, Underwood _9102862
245			_aElementary Number Theory / _cUnderwood Dudley
260			_aUSA _bFreeman and company _c1969
300			_avii, 262p.
505			_aIntegers (Page-1), Unique Factorization (Page-10), Linear Diophantine Equations (Page-20), Congruences (Page-27), Linear Congruences (Page-34), Fermat's and Wilson's Theorems (Page-42), The Divisors of an Integer (Page-50), Perfect Numbers (Page-57), Euler's Theorem and Function (Page-63), Primitive Roots (Page-73), Quadratic Congruences (Page-83), Quadratic Reciprocity (Page-94), Numbers in Other Bases (Page-106), Duodecimals (Page-114), Decimals (Page-119), Pythagorean Triangles (Page-127), Infinite Descent and Fermat's Conjecture (Page-135), Sums of Two Squares (Page-143), Sums of Four Squares (Page-149), Xl - Ny::! = 1 (Page-156),Formulas for Primes (Page-156) Bounds for mx) (Page-164), Additional Problems (Page-177),
942			_2ddc _cBK _k512.72,DUD
999			_c592354 _d592354