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1 vote
Find the first 3 common multiples of 16,21.

User Toozyfuzzy
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1 Answer

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16*21=336, 336*16=5376 5376 is divisible by 21. After you multiply 16 by 21, anything you multiple that answers to by 16 will be divisible by 21. And, any answer you multiply by 21 will be divisible by 16.
User Nabinca
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