简单的数论，包含求解模线性方程组，扩展欧几里德，以及米勒测试，快速筛素数的方法。-Simple number theory , including for solving the mode linear equations, extended Euclidean, as well as the Miller test, rapid screening primes.

这里包含了各类数论基本算法：素数筛法，偶拉函数，欧几里德算法，扩展欧几里德算法，求逆元，线性模方程组-it contains many Number theory algorihm: prime sieve, euler function, gcd, exgcd, mod inv, congruence_equation