Factors and numbers

The largest integer that is a divisor of ( n + 1 ) ( n + 3 ) ( n + 5 ) ( n + 7 ) ( n + 9 ) (n+1)(n+3)(n+5)(n+7)(n+9) for all positive even integers n n is:

11 3 15 5

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Edwin Gray
Aug 25, 2018

The product of any five consecutive odd numbers must be divisible by 5, and the same principle holds for 3, so the product must be divisible by 15. Ed Gray

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...