3. Find LCM of 42, 70, 80
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Answer:
1680 is the lcm of
42, 70, 80
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0
Answer:
Bring down any numbers that are not evenly divisible by the prime number.
When the last row of results is all 1's you are done.
Find the product of the prime numbers in the first column to get the LCM:
LCM = 2 x 2 x 2 x 2 x 3 x 5 x 7
LCM = 1680
Therefore,
LCM(42, 70, 80) = 1680
Step-by-step explanation:
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