Stage 37 · Beyond (Optional)

37.3 First Steps in Number Theory: Divisibility, Congruence, and Primes

Starting from divisibility and remainders among the integers, meet the prime numbers as building blocks and congruence as a clock arithmetic, and feel the beauty of pure structure.

5 knowledge points

Knowledge point pages

37.3.1 Divisibility and Factors 37.3.2 Primes and the Fundamental Theorem of Arithmetic 37.3.3 Greatest Common Divisor and the Euclidean Algorithm 37.3.4 Congruence: Arithmetic on a Clock 37.3.5 Working with Congruences and Their Uses

eastmath.com · 37.3 First Steps in Number Theory: Divisibility, Congruence, and Primes