SOLUTION: how many numbers lie between 1-1000 which are divisible by 6,7,15 ?

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Question 1029949: how many numbers lie between 1-1000 which are divisible by 6,7,15 ?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The LCM of 6, 7, and 15 is 210.
The greatest multiple of 210 less than 1,000 is 840.
There are four numbers between 1 - 1,000 that divisible by 6, 7, and 15. (210, 420,630, and 840.)