What are the common multiples of 39 and 91?
Common multiples of 39 and 91 are numbers that both 39 and 91 can be divided into evenly with no remainder.
To find the common multiples of 39 and 91, we compare the list of multiples of 39 with the list of multiples of 91 to see what they have in common.
To create a list of multiples of 39, we multiply 39 by 1, 39 by 2, and so on like this:
39 x 1 = 39
39 x 2 = 78
39 x 3 = 117
39 x 4 = 156
...
Similarly, to create a list of multiples of 91, we multiply 91 by 1, 91 by 2, and so on like this:
91 x 1 = 91
91 x 2 = 182
91 x 3 = 273
91 x 4 = 364
...
When we compare the two lists to see what they have in common, we get the answer to "What are the common multiples of 39 and 91?"
273, 546, 819, 1092, etc.
Since 273 is the first number they have in common, 273 is the least common multiple of 39 and 91.
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 273 (the least common multiple), so you can continue the green list above with more common multiples of 39 and 91 by simply adding 273 to the last number on the list.
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What are the common multiples of 39 and 92?
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