Question 1049291
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Take the square root of 1680: {{{sqrt(1680)}}} = 40.99 (approx.)


From this, it is clear that the numbers are around of 6 and 7.


Check 5, 6, 7 and 8:  5*6*7*8 = 1680.


<U>Answer</U>.  The numbers are 5, 6, 7 and 8.
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