What are the least common multiples of 12 and 20?

Answer 1

The multiples of 20 are
20,40,60,80,100,120,140,160,180,200,220...
The multiples of 40 are
40,80,120,160,200,240,280,420...
The three smallest are 40,80,120

Answer 2

The least common factor of any set of integers is 1.

Answer 3

20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, . . .

40, 80, 120, 160, 200, 240, 280, 320, 360, 400, 440, . . .

Answer 4

The multiples of 12 are 12, 24, 36, 48, 60, 72, 84, 96...

The multiples of 20 are 20, 40, 60, 80, 100...

The LCM of 12 and 20 is 60.

Answer 5

The least common multiple of the numbers 20, 30 and 40 is 120.

Answer 6

They are members of the infinite set of numbers of the form 120*k where k is an integer.

Answer 7

Any multiple of 120

Answer 8

1560