The following is a calculator that computes the known prime factors of the
numbers b^n +/- 1 (where **b = 2,3,4,5,6,7,8,9,10,11,12.**)

Use it in the following way:

1#) Enter the base b in the first textfield,

2#) then enter the power in the second textfield

3#) and finally enter __ +1 or -1__ in the last textfield.

To report a bug please contact: Aly Azeem Khan - aakhan@purdue.edu (please include number used).

To use the older applet version click here