First Course in Algebra and Number Theory

Table of Contents 

I. Elementary Number Theory 
1-1. DIVISIBILITY 2 
1-2. THE DIVISION ALGORITHM 6 
1-3. THE GREATEST COMMON DIVISOR 13 
1-4. UNIQUE FACTORIZATION 21 
1-5. A CONVENIENT NOTATION 28 
1-6. LINEAR DIOPHANTINE EQUATIONS 42 
1-7. CONGRUENCE 50 
1-8. RADIX REPRESENTATION 64 
MISCELLANEOUS PROBLEMS 83