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100-B1-2

2. Fill in the blanks with correct numbers.

Example

The smallest number among all the common multiples of a number is called
the least common multiple (LCM).

12, 16

Multiples of 12: , , , ,, , , , ...
Multiples of 16: , , , ,, , , , ...
Common multiples of 12 and 16:
, , ...

The least common multiple of 12 and 16:

a. 10,15
Multiples of 10: , , , , , , , , ...
Multiples of 15: , , , , , , , , ...
Common multiples of 10 and 15: , , ...
The least common multiple of 10 and 15:

b. 4, 12
Multiples of 4: , , , , , , , , ...
Multiples of 12: , , , , , , , , ...
Common multiples of 4 and 12: , , ...
The least common multiple of 4 and 12: