Question

LCM of 28,40,70 solve ​

Answer 1

Answer:

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Step-by-step explanation:

The least common multiple 280 is a product of common & odd prime factors between the integers which is divisible by each one an integer of this same group. The step by step work for LCM of 28, 40 and 70 may useful to understand how to find LCM for two or three numbers.

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Answer 2

Answer:

Least Common Multiple is :

     280

Calculate Least Common Multiple for :

   28, 40 and 70

Factorize of the above numbers :

   28 = 22 • 7  

   40 = 23 • 5  

   70 = 2 • 5 • 7  

Build a prime factors table

   Number of times each prime factor

   appears in the factorization of :

Prime  

Factor   Number  

28   Number  

40   Number  

70    L.C.M  

(max)  

2 2 3 1 3

5 0 1 1 1

7 1 0 1 1

LCM = 23 • 5 • 7

Least Common Multiple is :

280

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