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Find HCF by long division 20,30,100

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Your problem -> HCF by long division 20,30,100

Find HCF of 20,30,100

1. Find HCF of (20,30)

 1

20|
 3 0
|
 2 0

 2
|

|
 1 0
|
 2 0
|
 2 0
|
|
 0

HCF of (20, 30) = 10

2. Now find HCF of 10 and 3^(rd) number 100

 1 0

10|
 1 0 0
|
 1 0
|
|
 0
|
 0
|
|
 0

HCF of (10, 100) = 10

:. HCF of given numbers (20,30,100) = 10

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