Tuesday

July 29, 2014

July 29, 2014

Posted by **Drake** on Friday, June 28, 2013 at 9:55am.

- Math (Algebra) -
**Count Iblis**, Friday, June 28, 2013 at 11:50amN^3−6 is zero Modulo (N-6). If we compute Modulo (N-6) then obviously:

N-6 = 0 ----->

N = 6

Here and in the following the equals sign means equality modulo N - 6.

We then have:

N^3 -6 = 6^3 - 6 = 210

Therefore:

210 = 0

Reverting back to the ordinary definition of the equals sign, this means that:

210 = k (N-6)

So, N-6 must be the largest possible factor of 210, which is 210 therefore

N = 216.

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