GCD LCM Calculator
Calculate Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two numbers.
What is GCD LCM Calculator?
GCD LCM Calculator is a mathematical tool that computes the Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two numbers. It uses the Euclidean algorithm to find the GCD and calculates LCM using the relationship between GCD and LCM.
This tool is designed for students, mathematicians, engineers, and anyone working with number theory, fractions, or mathematical problem-solving. It provides instant calculations with accurate results for both GCD and LCM operations.
Whether you're simplifying fractions, solving mathematical problems, working with ratios, or studying number theory, this calculator helps you find the greatest common divisor and least common multiple efficiently and accurately.
What Problems Does It Solve?
Fraction Simplification
Calculates GCD to simplify fractions and reduce them to their lowest terms.
Mathematical Problem Solving
Provides GCD and LCM values needed for solving various mathematical problems.
Educational Support
Helps students understand number theory concepts and verify their calculations.
Algorithm Development
Provides GCD and LCM calculations for programming and algorithm implementation.
How to Use GCD LCM Calculator
Enter Two Numbers
Input two integers separated by a comma (e.g., 24, 36) in the left panel.
Calculate Results
View the GCD and LCM values calculated instantly in the right panel.
Use Values
Use the GCD and LCM results for fraction simplification, problem solving, or programming.
GCD LCM Calculator Best Practices:
- • Use GCD to simplify fractions by dividing numerator and denominator
- • Apply LCM when adding or subtracting fractions with different denominators
- • Remember that GCD × LCM = a × b for any two numbers a and b
- • Use GCD for finding common factors and reducing ratios
- • Apply LCM for finding common multiples and scheduling problems
- • Verify results by checking the relationship between GCD and LCM
Related Tools
Aspect Ratio
Simplify width:height ratios.
HTML Formatter
Beautify and format HTML for readability.
CSS Formatter
Prettify CSS with consistent spacing and ordering.
JavaScript Formatter
Format JavaScript/TypeScript code for better readability.
JSON Formatter
Pretty-print JSON with indentation and validation.
JSON Validator
Validate JSON syntax and get helpful error messages.