[QUOTE=Puzzle-Peter;271189]tested n=150,000 to 178,851

139*666^178851-1 is prime! (504984 digits)

[URL]http://primes.utm.edu/primes/page.php?id=101882[/URL]

Conjecture proven.[/QUOTE]

Congrats on a huge proof! :smile:

Wow, really big prime!

S507
 

S507 tested n=25K-50K - Nothing found

Results emailed - Base released

S534
 

S534 tested n=25K-50K - Nothing found

Results emailed - Base released

Reservations
 

Reserving the following to n=50K

S634 S688 S703 S710 S716

I just submitted 59*752^70888-1 to the Prime Pages.

I have not completed all k to n=70000.

S573
 

S573 tested n=25K-50K - Nothing found

Results emailed - Base released

S641
 

S641 tested n=25K-50K

12*641^26421+1 is prime
46*641^35514+1 is prime

S641 is now a 1ker

Results emailed - Base released

S647
 

S647 tested n=25K-50K - Nothing found

Results emailed - Base released

[QUOTE=MyDogBuster;272113]S641 tested n=25K-50K... - Base released[/QUOTE]
Reserving to 100K - it looks like a missing tooth in a row of 100k-tested 1kers. ;-/

S686
 

S686 tested n=25K-50K - Nothing found

Results emailed - Base released