What is the lowest positive integer that is divisible by 4 through 7, inclusive? Choose the correct choice from the following choices:  A) 77  B) 270  C) 1600  D) 840  E) 980
The integer should be divisible by: 4, 5, 6 and 7. The least common multiple of these integers is LCM=4*5*6*7= 
<gadget id="calculator">4*5*6*7</gadget>
<output>840</output>
840   Answer: 840
<result>D</result>
What is the lowest positive integer that is divisible by 4 through 7, inclusive?