1.	Choose the multiples of 20.
		A.	1, 2, 4, 5, 10, 20, …	B.	0, 20, 40, 60, 80, …
		C.	10, 20, 30, 40, …	D.	2, 2, 5
		Hint
	2.	Find the LCM of 10 and 8.
		A.	2	B.	40
		C.	10	D.	20
		Hint
	3.	135 is a multiple of which number?
		A.	21	B.	15
		C.	4	D.	7
		Hint
	4.	What is the LCM of 24 and 16? multiples of 24: 0, 24, 48, 96, 192… multiples of 16: 0, 16, 32, 48, 64…
		A.	24	B.	0
		C.	48	D.	16
		Hint
	5.	Find the LCM of 4 and 12 by using prime factors.
		A.	12	B.	48
		C.	16	D.	24
		Hint