a=6= 1,2,3,6,12
9=1,3,9,18,27
l.c.m is 1 and 3
a]. The first 5 multiples of 6 are 6, 12, 18, 24, and 30.
b]. The first 5 multiples of 9 are 9, 18, 27, 36, 45.
c]. Least common multiple (LCM) of 6 and 9 is 18.
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