Silverman, Joseph H. <br/><br/>
A friendly introduction to number theory 
/ Joseph H. Silverman 
 - 4th ed. 
 - Uttar Pradesh :  Pearson India Education Service Pvt. Ltd.,  2014 
 - 460 p.  
<br/><br/>what is number theory?;<br/>Pythagorean triples ;<br/>Pythagorean  triples and the unit circle;<br/>sums of higher power and Fermat;s last theorem ;<br/>factorization and the fundamental theorem of arithmetic ;<br/>congruences ;<br/>euler's phil function and the Chinese remainder theorem ;<br/>prime numbers counting primes <br/> 
<br/><br/><label>ISBN: </label>9789332535237 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory
<br/><br/><label>Dewey Class. No.: </label>512.7  / Si395