Question

Find the first four common multiples of the following :

$8$ and $12$.

• A. $24,48,72,96$
• B. $24,36,48,56$
• C. $24,32,40,48$
• D. $48,72,96,120$

Answer 1

The correct option is A $24,48,72,96$

Multiples of $8=8,16,24,32,..$
Multiples of $12=12,24,36,\mathrm{48...}$
The first common multiple will be $24$
And the next common multiples will be multiples of $24$
Hence, first four common multiples of $8,12$ are $24,48,72,96$