If n=20!+17, then n is divisible by

The result of a sum is divisible by a number when every addend is divisible by that number.

n = 20! + 17

Since 20! is divisible by every integer from 1 to 20, lets check out which of the answers choices are divisible by 17.

Since 17 is the only answer choice divisible by 17, correct answer is: 17 only (C).

Jan 25, 2015 • Comment

Mike McGarry, Magoosh Tutor

Dec 27, 2013 • Comment