Least Common Multiple (LCM) Calculator
Calculate the Least Common Multiple of two or more numbers. Find the smallest positive integer that is divisible by all entered numbers. Ideal for students, teachers, and math problems.
Step 1: Enter Numbers
What is LCM?
The Least Common Multiple (LCM) of a set of numbers is the smallest number that is a multiple of each number in the set. For example, LCM of 4 and 6 is 12.
Step 2: Options
About LCM Calculation
You can compute LCM using prime factors: take the highest power of each prime that appears. Or use the formula LCM(a,b) = |a·b| / GCD(a,b).
LCM Results
Summary
Prime Factors
Exponents Chart
Least Common Multiple (LCM)
12
of 4 and 6
GCD (Greatest Common Divisor)
2
Product of numbers
24
LCM / GCD
6
Number count
2
Prime Factorizations
| Number | Prime Factorization | Exponents |
|---|
Prime Exponents in LCM
Each prime’s highest exponent among the numbers
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