🔢 Number Theory

Primes, GCD, LCM, modular arithmetic — the deep side of numbers!

🔢
Intermediate

Prime Numbers

What makes a number prime?

➗
Intermediate

Divisibility Rules

Quick tricks to check divisibility.

🔗
Intermediate

GCD and LCM

Greatest common divisor and lowest common multiple.

Coming Soon
🔄
Intermediate

Modular Arithmetic

Clock-style arithmetic explained.

Coming Soon

🎮 Practice Games — Intermediate Level

📐
Advanced

Number Bases

Binary, octal, hexadecimal.

Coming Soon
🎲
Advanced

Prime Factorisation

Break any number into prime factors.

Coming Soon
🔢
Advanced

Diophantine Equations

Integer solutions to equations.

Coming Soon

🎮 Practice Games — Advanced Level

🎓
University

Fermat's Little Theorem

A powerful result about primes.

Coming Soon
📐
University

Euler's Totient Function

Count integers coprime to n.

Coming Soon
🔢
University

RSA Cryptography

How primes power internet security.

Coming Soon
∞
University

Riemann Hypothesis

The most famous unsolved problem!

Coming Soon

🎮 Practice Games — University Level