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The prime factors of 42 are 2 x 3 x 7 and the prime factors of 56 are 23 x 7.

The LCM of 42 and 56 is the product of the highest powers of each prime factor,

23 x 3 x 7 = 8 x 3 x 7 = 168.

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โˆ™ 2011-09-14 10:46:57
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Q: What is the lmc of 42 and 56?
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