GCD & LCM Calculator
Greatest common divisor and lowest common multiple of any numbers.
GCD (highest common factor)
12
LCM (lowest common multiple)
360
Numbers
3
Product
51,840
ShowHide the working
- 1GCD of 24, 36, 60 = 12 (Euclid's algorithm)
- 2LCM = product ÷ GCD chain = 360
Formula
GCD via Euclid; LCM = a ÷ gcd(a,b) × bHow it works
The greatest common divisor and lowest common multiple of a list of whole numbers.
Example
gcd(24, 36, 60) = 12 and lcm = 360.
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About the GCD & LCM Calculator
Greatest common divisor and lowest common multiple of any numbers. It sits in the Math & Algebra section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the GCD & LCM Calculator free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
- Does my data leave my device?
- No. The GCD & LCM Calculator runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
- Can I use the GCD & LCM Calculator on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Math & Algebra?
- Equations, fractions, primes, roots, sequences and number theory. You can browse the full Math & Algebra category for related calculators.