Elementary number theory  

 - New York :  3G E-Learning LLC,   c2020. 
 - x, 264 pages  colored illustrations 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781984637352 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory.
<br/><br/><label>Dewey Class. No.: </label>512.72