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LCM Calculator

The LCM Calculator is a powerful tool designed to assist you in understanding and calculating the least common multiple of numbers. LCM is a fundamental concept in mathematics, especially in arithmetic and number theory. It helps find the smallest number that is a multiple of two or more given numbers.

What is LCM?

LCM stands for Least Common Multiple . It is thesmallest positive integer that is a multiple of two or more given numbers.

Why is LCM important?

LCM has various applications in mathematics, including:

  • Adding and subtracting fractions with different denominators.
  • Solving equations with common denominators.
  • Finding the least common period in repeating decimals.

How to calculate LCM?

There are different methods to calculate LCM, but the calculator uses the following formula:

LCM(a,b)=|a×b|GCD(a,b)

where:

  • a and b are the numbers.
  • |a * b| represents the absolute value of the product of a and b.
  • GCD(a, b) represents the Greatest Common Divisor of a and b.

How does the LCM Calculator work?

Simply enter the numbers you want to find the LCM of, and the calculator will instantly compute and display the result.

Examples

Example 1:

Find the LCM of 6 and 8.

Solution:

LCM(6,8)=|6×8|GCD(6,8)

LCM(6,8)=|48|2

LCM(6,8)=24

Therefore, the LCM of 6 and 8 is 24.

Example 2:

Find the LCM of 15 and 25.

Solution:

LCM(12,8)=|15×25|GCD(15,25)

LCM(15,25)=|375|5

LCM(15,25)=75

Therefore, the LCM of 15 and 25 is 75.

Example 3:

Find the LCM of 2 and 9.

Solution:

LCM(2,9)=|2×9|GCD(2,9)

LCM(2,9)=|18|1

LCM(2,9)=18

Therefore, the LCM of 2 and 9 is 18.

FAQs

What if I have more than two numbers to find the LCM for?
Can I use this calculator for decimal or fraction inputs?
How accurate is the LCM result from the calculator?

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