Answers

2015-09-20T23:53:49+05:30
Do it individually and find the the highest factor then encircle the highest factor of all the three then multiply them.

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Thanx a ton.
I also have another doubt. How to find LCM for 3 numbers by prime factoriasation method?
Thanx in advance.
you can do the lcm by factorizing all the three together and then multiply the factors
2015-09-22T17:21:00+05:30
For eg.
18,16,14
     
2  18   
 3    9
 3     3
         1
 
2   16
2    8
2     4
2     2
2    1 

2  14
 7    7
       1
 18=2 into 3 into 3
16=2 into2 into 2 into 2
14=2 into 7
common factors=2
hcf=2


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