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Old 2008-07-19, 16:22   #9
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May 2005

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Originally Posted by Siemelink View Post
A covering set means that there must be an elements of the set that divides 632462*1023^n+1, for any n. Occasionally there are more elements in that list than you strictly need. For this example you would have that

1321 divides 632462*1023^(3q+1)+1
61 divides 632462*1023^(3q+2)+1
13 divides 632462*1023^(3q+3)+1

covering all values of n.

Ah now it all makes sence... but the above you state, just shows that it is in fact not for one with my mathematical skills to carry out such a search Thanks for the info.

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