Question
Find the least 5-digit number which is perfectly divisible
by 14, 21, 35 and 42.Solution
ATQ,
LCM of 14, 21, 35 and 42 = 420
Least 5-digit number = 10000
So, 10000 ÷ 420 = 23.80
Therefore, we should multiply 24 and 420 to get the required 5-digit number
So, required number = 10,080
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