What are the common multiples of 32 and 40?

Common multiples of 32 and 40 are numbers that both 32 and 40 can be divided into evenly with no remainder.

To find the common multiples of 32 and 40, we compare the list of multiples of 32 with the list of multiples of 40 to see what they have in common.

To create a list of multiples of 32, we multiply 32 by 1, 32 by 2, and so on like this:

32 x 1 = 32
32 x 2 = 64
32 x 3 = 96
32 x 4 = 128
...

Similarly, to create a list of multiples of 40, we multiply 40 by 1, 40 by 2, and so on like this:

40 x 1 = 40
40 x 2 = 80
40 x 3 = 120
40 x 4 = 160
...

When we compare the two lists to see what they have in common, we get the answer to "What are the common multiples of 32 and 40?"

160, 320, 480, 640, etc.

Since 160 is the first number they have in common, 160 is the least common multiple of 32 and 40.

Note: Our lists are shortened because they go on forever, but can you see the pattern when you look at the answer in green above? The common multiples are in intervals of 160 (the least common multiple), so you can continue the green list above with more common multiples of 32 and 40 by simply adding 160 to the last number on the list.

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What are the common multiples of 32 and 41?
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