Quote:
Originally Posted by Mr. P1

I did find one typo on
http://primes.utm.edu/prove/prove1.html
In 2002 a long standing question was answered: can integers be
prove prime
I think this should be changed to the word
proven there.
And now I actually know how to do the LucasLehmer test, although those s(k) numbers grow too big for Excel after s(4). At least Excel can prove 2^5  1 is prime using LucasLehmer