LCM Calculator

Calculate Least Common Multiple (LCM) of multiple numbers with step-by-step solutions and prime factorization.

Calculator

Enter 2 or more positive integers (1 to 10,000,000,000)

Enter two or more positive integers to calculate their LCM (Least Common Multiple).

Complete User Guide

What is LCM?

LCM (Least Common Multiple) is the smallest positive integer that is a multiple of each of the given numbers. It's useful for finding common denominators, solving problems involving periodic events, and more.

For example, LCM of 12 and 18 is 36, because 36 is the smallest number that is divisible by both 12 and 18.

How to Use This Calculator

  1. Enter two or more positive integers (separated by commas or new lines)
  2. Click 'Calculate LCM' to find the result
  3. View the LCM value and prime factorization
  4. Review the step-by-step solution to understand the calculation process
  5. Use charts to visualize the numbers and their relationships

Examples

Example 1: Two Numbers

Numbers: 12, 18

LCM: 36

Prime Factorization: 2² × 3²

Example 2: Three Numbers

Numbers: 4, 6, 8

LCM: 24

Prime Factorization: 2³ × 3

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