Introduction to Number Theory With Computing
R. B. J. T. Allenby, Edwin J. Redfern · Medical Entomology and Zoology · 1989
Divisibility more about primes - a historical division congruences congruences involving unknowns primitive roots diophantine equations and Fermat's last theorem sums of squares quadratic reciprocity the Guassian integers arithmetic functions continued fractions and Pell's equation sending secret messages.