Correct option is A
Given:
We need to find the Least Common Multiple (LCM) of 12, 40, 50, and 78.
Solution:
Prime factorizations:
12 =
40 =
50 =
78 =
LCM =
= 7800
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Question
Find the LCM of 12, 40, 50 and 78.
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Find the smallest number which when increased by 20 is completely divisible by 12, 20, 15, 18 and 24.
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