The first five multiples for the numbers 4 and 6 are as follows: Multiples of 4 : 4 comma 8 comma 12 comma 16 comma 20 comma dot dot dot Multiples of 6 : 6 comma 12 comma 18 comma 24 comma 30 comma dot dot dot What is the least common multiple of 4 and 6 ?
Answer
A
12
B
2
C
4
D
24
Explanation
A common multiple appears in both lists. The first one is 12: it is a multiple of 4 (4 × 3) and of 6 (6 × 2). Therefore, the least common multiple is 12, choice A.
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