Question

if H.C.F of two numbers 420 and 441 is 21 then find the L.C.M. of these two numbers?
a)5820
b) 2850
c)8820
d) 9840​

Answer 1

Answer:

c) 8820

Step-by-step explanation:

HCF × LCM = product of the two numbers

So LCM=(441×420)/21

LCM=8820

Option c.

Hope it helps...

Regards;

Leukonov/OLegion.

Answer 2

Answer:

c

Step-by-step explanation:

a×b= hcf × lcm

lcm= product of twi numbers/ hcf

lcm= 420×441/21

=8820