LCM for 81 and 135

"Least Common Multiple" Calculator

Least Common Multiple of

and

What's the Least Common Multiple (LCM) of 81 and 135?

Answer: LCM of 81 and 135 is 405

(Four hundred five)

Finding LCM for 81 and 135 using GCF's of these numbers

The first method to find LCM for numbers 81 and 135 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 81 and 135 is 27, so

LCM = (81 × 135) ÷ 27

LCM = 10935 ÷ 27

LCM = 405

Finding LCM for 81 and 135 by Listing Multiples

The second method to find LCM for numbers 81 and 135 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 81: 81, 162, 243, 324, 405, 486, 567

Multiples of 135: 135, 270, 405, 540, 675

So the LCM for 81 and 135 is 405

Finding LCM for 81 and 135 by Prime Factorization

Another method to find LCM for numbers 81 and 135 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 81: 3, 3, 3, 3 (exponent form: 34)

All Prime Factors of 135: 3, 3, 3, 5 (exponent form: 33, 51)

34 × 51 = 405

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LCM Table

Number 1Number 2LCM
661352970
671359045
681359180
691353105
701351890
711359585
721351080
731359855
741359990
75135675
7613510260
7713510395
781353510
7913510665
801352160
81135405
8213511070
8313511205
841353780
851352295
8613511610
871353915
8813511880
8913512015
90135270
9113512285
9213512420
931354185
9413512690
951352565

About "Least Common Multiple" Calculator

This calculator will help you find the Least Common Multiple (LCM) of two numbers. For example, it can help you find out what's the Least Common Multiple (LCM) of 81 and 135? (The answer is: 405). Select the first number (e.g. '81') and the second number (e.g. '135'). After that hit the 'Calculate' button.
Least Common Multiple (LCM) also known as the Lowest Common Multiple or Smallest Common Multiple of 2 numbers - it is the smallest positive integer that is divisible by both numbers

"Least Common Multiple" Calculator

Least Common Multiple of

and

FAQ

What's the Least Common Multiple (LCM) of 81 and 135?

LCM of 81 and 135 is 405

See Also