Which of the following number will completely divide (49^15)-1?  Select the correct option:
A) 8 is the number
B) 6
C) 22
D) 12
E) 14
x^n - 1 will be divisible by x+1 only when n is even.   49^15 - 1 = (7^2)^15 - 1 = 7^30 - 1 which is divisible by 7+1 i.e. 8   8 is the numbernswer is 8 is the number
<result>A</result>
Which of the following number will completely divide (49^15)-1?