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Find LCM 20,30,100

Solution:
Your problem `->` LCM 20,30,100


Factor of 20,30,100 are as follows...

220
210
55
 1
 
230
315
55
 1
 
2100
250
525
55
 1

The HCF of a, b is the largest positive number that exactly divides both a and b.
Find HCF
20=2 × 2 × 5
30=2 × 3 × 5
100=2 × 2 × 5 × 5

HCF = 2 × 5 = 10

HCF of `20,30,100` is `10`


The LCM of a, b is the smallest positive number that is divisible by both a and b.
Find LCM
20=2 × 2 × 5
30=2 × 3 × 5
100=2 × 2 × 5 × 5

LCM = 2 × 2 × 3 × 5 × 5 = 300

LCM of `20,30,100` is `300`







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