5. The LCM of 4, 5 and 7 is
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Answer:
Least common multiple (LCM) of 4, 5, 7 is 140.
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2 l 4,5,7
2 l 2,5,7
5 l 1,5,7
7 l 1,1,7
l 1,1,1
2×2×5×7=140
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