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MathematicsUndergraduate 4.8 · 2,300
Number Theory
Primes, divisibility, and modular arithmetic — ancient questions about whole numbers that now secure the internet.
Prof. Gideon Marsh
Professor of Number Theory
Course progress0 / 3 lessons
1
Divisibility & Primes
The atoms of arithmetic.
9 min +55 XP2 quiz questions
2
Modular Arithmetic
Clock arithmetic, made rigorous.
9 min +55 XP2 quiz questions
3
GCD, Euclid & the Road to RSA
Ancient math that guards your passwords.
10 min +60 XP3 quiz questions