GCD & LCM Calculator
Find GCD & LCM with step-by-step math
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Full guide
How to Calculate GCD and LCM
Learn GCD and LCM with the Euclidean algorithm, prime factors, and the GCD×LCM relationship — plus multi-number examples and a free calculator.
About GCD & LCM Calculator
A comprehensive GCD (Greatest Common Divisor) and LCM (Least Common Multiple) calculator that works with two or more integers. Shows the step-by-step Euclidean algorithm for GCD computation, prime factorization of each number, and the relationship GCD × LCM = |a × b|. Supports multi-number input for computing GCD and LCM across lists. Also displays Bézout coefficients (ax + by = gcd) and common factor Venn diagrams. Essential for math students, cryptography learners, and anyone working with fractions or number theory.
GCD & LCM Calculator Features
- Multi-number GCD/LCM
- Euclidean algorithm steps
- Prime factorization
- Bézout coefficients
- Factor lists
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