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28, 56, 84

you can always find a common multiple of two numbers by multiplying them (but that won't always be the least common multiple)... the other common multiples can b found by multiplying that number with any other positive integer...

for example, if you have two numbers (a and b), then one of their common multiples is a x b (but not always the smallest one), and the others are 2 x a x b, or any other positive integer times a x b

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Wiki User

12y ago
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Wiki User

8y ago

The common multiples of 4, 5, 7, and 15 are 420, 840, 1260 and so on.

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Wiki User

8y ago

Any multiple of 140.

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Wiki User

12y ago

28,56,84,112

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Wiki User

7y ago

Any multiple of 28.

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Wiki User

7y ago

28, 56, 84, 112, 140

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Aditya Sharma

Lvl 2
4y ago

its alot of numbers

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Q: What are the common multiples of four and seven?
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