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30 = 5 X 3 X 2

42 = 7 X 3 X 2

Lowest common multiple is 7 X 5 X 3 X 2 = 210

Other common multiples are 420, 630, 840, 1050. 1260, 1470, 1680, 1890.

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12y ago

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Anonymous

4y ago
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Anonymous

4y ago
Why

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Q: What are common multiples of 30 and 42?
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