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HOW TO GET THE GREATEST NUMBER OF FOUR DIGIT WHICH IS EXACTLY DIVISIBLE BY 6,8,10 AND 12? PLEASE EXPLAIN BRIEFLY

The least number divisible by 6,8,10 and 12 is their LCM = 60
Greatest 4 -digit number = 9999
Any multiple of 60 will be exactly divisible by 6,8,10,12.
So the greatest 4 digit number divisible by 6,8,10,12 not exceeding 9999 is 9960.


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