Calculators
::
Numbers
::
LCM Calculator

LCM calculator

LCM calculator computes Least common multiple of two or more numbers using five methods. (division method, listing multiples method, prime factors, ladder method and the LCM formula). The calculator shows a full step-by-step solution of each method, along with a Venn diagram.

Find Least Common Multiple of 8, 12 and 15 using LCM formula..

error

LCM formula is implemented only for two numbers. You can try to use division or prime factors method .

Report an Error!

Script name : lcm-calculator

Form values: formulamethod , 8 12 15 , 1 , g ,

Comment (optional)

Share this answer

Copy the link below and share it with your friends or on your favorite social network.

www.mathportal.org/calculators/popular-problems/lcm.php?rb1=formulamethod&val1=8+12+15

Copy link to clipboard

LCM Calculator

five methods each with its own steps
help ↓↓ examples ↓↓ tutorial ↓↓

INSTRUCTIONS:

1 . Input two or more positive integer numbers separated with space.

2 . Select a method you want to use to find LCM.

3 . The examples of valid inputs are $\color{blue}{2, 5}$ and $\color{blue}{12 , 46 , 728}$

0123456789,C ✖

Input two or more numbers:

Examples:

12,20

15,35,14

Find LCM using:

Prime factors method

Division method

Listing multiples method

Ladder (cake) method

LCM formula

	×
show steps

Get Widget Code

working...

LCM calculator – Widget Code

Feel free to copy the widget code below and paste it into your website or blog. The widget will look like the example below.

Widget preview: LCM calculator

<a href="https://www.mathportal.org/calculators/numbers-calculators/lcm-calculator.php" onclick="window.open('https://www.mathportal.org/calculators/numbers-calculators/lcm-calculator.php?widget=popup','', 'width=420,height=620,toolbar=no,titlebar=no,menubar=no,scrollbars=yes,resizable=no'); return false;">LCM calculator</a>

Copy code to clipboard

Numbers

Long Division
Evaluate Expressions
Fraction Calculator
Greatest Common Divisor GCD
Least Common Multiple LCM
Prime Factorization
Scientific Notation
Percentage Calculator
Dec / Bin / Hex

Polynomials

Factoring Polynomials
Polynomial Roots
Synthetic Division
Long Division
Polynomial Operations
Graphing Polynomials
Simplify Polynomials
Generate From Roots

Rational Expressions

Simplify Expression
Multiplication / Division
Addition / Subtraction

Radicals

Rationalize Denominator
Simplifying

Solving Equations

Quadratic Equations Solver
Polynomial Equations
Solving Equations - With Steps

Quadratic Equation

Solving (with steps)
Quadratic Plotter
Factoring Trinomials

2D Shapes

Equilateral Triangle
Right Triangle
Oblique Triangle
Square Calculator
Rectangle Calculator
Circle Calculator
Hexagon Calculator
Rhombus Calculator
Trapezoid Calculator

3D Shapes

Cube
Cuboid
Triangular Prism
Pyramid
Cylinder
Cone
Sphere

Analytic geometry

Distance calculator
Midpoint Calculator
Triangle Calculator
Graphing Lines
Lines Intersection
Two Point Form
Line-Point Distance
Parallel/Perpendicular
Circle Equation
Ellipse
Circle From 3 Points
Circle-line Intersection

Complex Numbers

Modulus, inverse, polar form
Division
Simplify Expression

Systems of equations

System 2x2
System 3x3
System 4x4

Matrices

Vectors (2D & 3D)
Add, Subtract, Multiply
Determinant Calculator
Matrix Inverse
Characteristic Polynomial
Eigenvalues
Eigenvectors
Matrix Decomposition

Calculus Calculators

Limit Calculator
Derivative Calculator
Integral Calculator

Sequences & Series

Arithmetic Sequences
Geometric Sequences
Find n^th Term

Trigonometry

Degrees to Radians
Trig. Equations

Statistics and probability

Probability Calculator
Probability Distributions
Descriptive Statistics
Standard Deviation
Z - score Calculator
Normal Distribution
T-Test Calculator
Correlation & Regression

Financial Calculators

Simple Interest
Compound Interest
Amortization Calculator
Annuity Calculator

Other Calculators

Sets
Work Problems

Hire MATHPORTAL experts to do math homework for you.

Prices start at $3 per problem.

442 235 970 solved problems

LCM calculator

Find Least Common Multiple of 8, 12 and 15 using LCM formula..

Report an Error!

Error

An unexpected error occurred while trying to generate a page.