Q. 43 F5.0( 1 Vote )

If p, q, r are distinct primes, their l.c.m.. is ……
A. pqr

B. pq

C. 1

D. pq + qr + pr

Answer :

p,q and r are distinct primes.

So, they have no common factor other than 1.

Then their g. c. d is 1.

Therefore, l.c.m. of two numbers =

= = pqr

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