Answer:
there are: 333 numbers that can be divided by 3, there are: 200 numbers that can be divided by 5, and there are: 142 numbers that can be divided by 7... But (there are more), there are: 66 numbers that can be divided by both 3 and 5, there are: 47 numbers that can be divided by both 3 and 7, And there are: 28 numbers that can be divided by both 5 and 7...
I hope this helps!!!