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LCM Calculator

Find the least common multiple of the supplied positive integers. At most 100 positive integers, each up to 1 billion.

Free to useNo sign-upRuns in your browser
Enter your details

Enter the inputs, then select Calculate result.

Separate values with commas, spaces or new lines. At most 1,000 finite numbers, each with magnitude no greater than 1 billion.

Your result
Enter your details

Result will appear here

How LCM Calculator works

Find the least common multiple of the supplied positive integers.

At most 100 positive integers, each up to 1 billion. Exact BigInt arithmetic; output is limited to 10,000 digits.

Concept diagram for LCM Calculator, showing positive integers input and the supported output.
Concept diagram; the three operation images are actual browser captures.

How to use LCM Calculator

Follow the labelled inputs.

Enter positive integers

Replace the example with positive integers. The field labels specify the expected format and units.

Calculate result
Input and settings
LCM Calculator: input and settings in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Check the remaining inputs

This tool uses one input. Check the supported range before running it. At most 100 positive integers, each up to 1 billion.

Calculate result
Tool result
LCM Calculator: tool result in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Run, review and save

Select Calculate result. Review the calculated result, then copy it or download the result text.

Calculate result
Review the details
LCM Calculator: review the details in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Examples and uses for LCM Calculator

Check the supplied example

The starting example produces 180. Find the least common multiple of the supplied positive integers.

Calculate result
Abstract input values and a mathematical worksheet.
Start with the values. Concept illustration.

Use your own inputs

Read the labels for positive integers. At most 100 positive integers, each up to 1 billion.

Calculate result
Two calculation examples shown for comparison.
Compare a second example. Concept illustration.

Record a reviewed result

Copy the calculated result into your notes. Keep the formula and assumptions with it if someone else needs to reproduce the calculation.

Calculate result
A calculation and supporting explanation represented conceptually.
Explain the calculation. Concept illustration.

How to read the result

Read the units and assumptions with the output.

Find the least common multiple of the supplied positive integers.

At most 100 positive integers, each up to 1 billion. Exact BigInt arithmetic; output is limited to 10,000 digits.

Calculate resultCalculate result
A mathematical result connected to the values used to calculate it.
Read the result with its inputs. Concept illustration.

Supported input and limits

Check the stated scope before you run it.

At most 100 positive integers, each up to 1 billion. Exact BigInt arithmetic; output is limited to 10,000 digits.

The input stays in this browser. Copy result and Download save the same displayed text.

Calculate resultCalculate result
Values and units reviewed before relying on a mathematical result.
Check values and units. Concept illustration.

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LCM Calculator: common questions

Answers about using LCM Calculator and understanding its results.

What assumptions and input limits apply?

At most 100 positive integers, each up to 1 billion. Exact BigInt arithmetic; output is limited to 10,000 digits.

How can I save the output?

Use Copy result to copy the displayed text, or Download to save it as a text file. The tool runs in your browser and does not require an account.

Calculate result with your input

Check the calculated result, then copy or download it.

Calculate result