math Calculator
Least Common Multiple Calculator
Find the Least Common Multiple (LCM) of two or more numbers. Essential for adding fractions and solving number theory problems.
11000000000
11000000000
Results
LCM
0
GCF (for reference)
0
Product (A × B)
0
How to Use Least Common Multiple Calculator
- 1
Enter the first number
- 2
Enter the second number
- 3
View the LCM
Least Common Multiple Calculator Formula
LCM(a, b) = |a × b| / GCF(a, b)Example Calculation
Input Values
First Number
12
Second Number
18
Results
LCM
36
GCF (for reference)
6
Product (A × B)
216
Frequently Asked Questions
What is LCM used for?
LCM is used to find a common denominator when adding or subtracting fractions.
What is the relationship between LCM and GCF?
LCM(a,b) × GCF(a,b) = a × b.
What is the LCM of prime numbers?
The LCM of two prime numbers is simply their product, since their GCF is 1.