Lowest common multiple
Solve lowest common multiple with your values and follow each calculation step.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
lcm(a,b) = (a/gcd(a,b)) × b
Variables & units
- First positive integer
- Numeric value · minimum 1, maximum 1000000
- Second positive integer
- Numeric value · minimum 1, maximum 1000000
Worked example
The LCM of 12 and 18 is 36.
Assumptions
Use positive whole numbers. LCM is a multiple, while HCF is a divisor.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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