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Forum: No Prime Left Behind 2013-09-18, 23:39
Replies: 6
Views: 8,310
Posted By gd_barnes
Oh wow, that is impressive. Let me see if I...

Oh wow, that is impressive. Let me see if I understand you correctly: You have tested both 10^(2^24)+1 and 10^(2^25)+1 and have proven that they are composite and you did this in 2008/2009? (!!) ...
Forum: No Prime Left Behind 2013-09-18, 21:40
Replies: 6
Views: 8,310
Posted By gd_barnes
Serge, I have a new long-term project for...

Serge,

I have a new long-term project for you. I see that you were the one who proved that 10^(2^23)+1 is composite way back in 2008. How about you test to see if 10^(2^24)+1 is composite?...
Forum: No Prime Left Behind 2013-09-18, 11:44
Replies: 6
Views: 8,310
Posted By gd_barnes
To clarify further: At this time, we can be...

To clarify further:

At this time, we can be certain that only 2 of them are prime. The only known primes in this series are for n=1 and 2, i.e. 10^1+1 and 10^2+1 or simply 11 and 101. All n's...
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