Greatest 4 digit number multiple of 12, 40, and 45
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Originally Answered: What is the greatest 4 digit number that is exactly divisible by 45 as well as 30 ? Simply just take lcm (lowest common multiple) of 45 &30 ,which is lcm(45,30)=90. 8100,2700,4500,7200 etc are all multiples of 90 and are divisible by both 45 &30 as well.
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