What are the common multiples of 43 and 81?

Common multiples of 43 and 81 are numbers that both 43 and 81 can be divided into evenly with no remainder.

To find the common multiples of 43 and 81, we compare the list of multiples of 43 with the list of multiples of 81 to see what they have in common.

To create a list of multiples of 43, we multiply 43 by 1, 43 by 2, and so on like this:

43 x 1 = 43
43 x 2 = 86
43 x 3 = 129
43 x 4 = 172
...

Similarly, to create a list of multiples of 81, we multiply 81 by 1, 81 by 2, and so on like this:

81 x 1 = 81
81 x 2 = 162
81 x 3 = 243
81 x 4 = 324
...

When we compare the two lists to see what they have in common, we get the answer to "What are the common multiples of 43 and 81?"

3483, 6966, 10449, 13932, etc.

Since 3483 is the first number they have in common, 3483 is the least common multiple of 43 and 81.

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 3483 (the least common multiple), so you can continue the green list above with more common multiples of 43 and 81 by simply adding 3483 to the last number on the list.

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What are the common multiples of 43 and 82?
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