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Old 2007-07-07, 05:12   #2
devarajkandadai's Avatar
May 2004

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Originally Posted by devarajkandadai View Post
The relevant numerator of an irregular prime which IS NOT a Mangammal
prime has the form 3^n-2.This can easily be identified, on pari,
by {p(n)=(3^n-2)/p'} where p' stands for irregular prime which is not a Mangammal prime.The required number is the only integer when we print
p(n) for n=1,p'-1.

Further observations to be continued.
I must first thank Maxal for giving me the training to write the above mini-program(To be contd)
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