RRB JE 26th May 2019 Shift-2

Question 36

HCF of a set of 3 coprime numbers is:

Solution

The only common factor is 1 and hence is co-prime. Any two successive numbers/ integers are always co-prime: Take any consecutive number such as 2, 3 or 3, 4 or 5, 6 and so on; they have 1 as their HCF.

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