Question

find the Lcm and Hcf
of 12,20,35​

Answer 1

Answer:

Step by Step Solution

Least Common Multiple is :      420

Calculate Least Common Multiple for :

    12, 20 and 35

Factorize of the above numbers :    12 = 22 • 3 

    20 = 22 • 5 

    35 = 5 • 7 

Build a prime factors table    Number of times each prime factor

    appears in the factorization of : Prime 

 Factor  Number 

 12  Number 

 20  Number 

 35   L.C.M  

 (max) 22202310015011170011 LCM = 22 • 3 • 5 • 7

Least Common Multiple is :

      420