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LCM Calculator

Input
comma saparated input values
LCM (10,20,40) = 40
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Work with steps - Least Common Multiple

Question:
Find LCM of given integers 10,20,40.
Answer:
Factors of 10
210
55
1
Factors of 20
220
210
55
1
Factors of 40
240
220
210
55
1
Factors of 10 = 2 x 5
Factors of 20 = 2 x 2 x 5
Factors of 40 = 2 x 2 x 2 x 5
Multiply all the common and uncommon factors of 10, 20 & 40
2 x 2 x 2 x 5 = 40
LCM(10, 20, 40) = 40
More Questions & Answers
QuestionLCM
LCM(10, 20, 40) = ?40
LCM(12, 18) = ?36
LCM(25, 30) = ?150
LCM calculator that shows work to find the least common multiple of two or more numbers. The step-by-step calculation help parents to assist their kids studying 4th, 5th or 6th grade to verify the work and answers of least common multiple homework and assignment problems in pre-algebra or in number system (NS) of common core state standards (CCSS) for mathematics.
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