[URL="http://primes.utm.edu/primes/page.php?id=124061"]18234*1027^133537+1[/URL] found by Deltik (402161 digits)

[URL="http://primes.utm.edu/primes/page.php?id=124077"]43086*1027^130421+1[/URL] found by jamofox (392777 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124078"]45942*1027^131310+1[/URL] found by Ralfy (395454 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124079"]20328*1027^137290+1[/URL] found by Durendal (413463 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124080"]33450*1027^143193+1[/URL] found by 4bc3 (431241 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124081"]38194*1027^145725+1[/URL] found by __Dutch__ (438866 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124082"]14104*1027^145834+1[/URL] found by nealeb4zod (439194 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124083"]76672*1027^146555+1[/URL] found by grcpool.com-3 (441366 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124084"]46674*1027^148671+1[/URL] found by Ralfy (447738 digits)

[URL="http://primes.utm.edu/primes/page.php?id=124112"]2558*618^142259+1[/URL] found by grcpool.com-2 (397047 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124111"]2441*618^144343+1[/URL] found by grcpool.com (402864 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124113"]68*618^146688+1[/URL] found by pomegranate (409407 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124114"]852*618^151612+1[/URL] found by pomegranate (423151 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124109"]1649*618^161163+1[/URL] found by pomegranate2 (449808 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124110"]2369*618^180975+1[/URL] found by pomegranate (505103 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124115"]111*618^187244+1[/URL] found by Ralfy (522598 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124108"]1223*618^193431+1[/URL] found by pomegranate (539867 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124116"]3161*618^199877+1[/URL] found by lanofsong (557858 digits)

Wow. What a run by BOINC! :smile:


MyDog's 2 cents:
I'll second that. There should be quite a few bases that has primes in that n range..

[URL="http://primes.utm.edu/primes/page.php?id=124123"]1248*618^142002+1[/URL] found by tictoc (396330 digits)

[URL="http://primes.utm.edu/primes/page.php?id=124124"]10038*1027^158056+1[/URL] found by grcpool.com (476001 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124145"]10198*1027^166366+1[/URL] found by Deltik (501027 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124125"]11682*1027^179399+1[/URL] found by grcpool.com (540277 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124146"]33910*1027^156522+1[/URL] found by Deltik (471382 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124147"]33910*1027^179973+1[/URL] found by Deltik (542006 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124152"]37044*1027^164997+1[/URL] found by Ralfy (496905 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124126"]40962*1027^157930+1[/URL] found by pomegranate2 (475622 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124127"]46498*1027^187913+1[/URL] found by pomegranate (565918 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124148"]56064*1027^193573+1[/URL] found by Deltik (582964 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124128"]57054*1027^164579+1[/URL] found by pomegranate (495647 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124129"]62176*1027^175956+1[/URL] found by grcpool.com (529909 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124130"]6292*1027^198459+1[/URL] found by pomegranate (597678 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124131"]63348*1027^191392+1[/URL] found by pomegranate2 (576396 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124132"]65716*1027^162025+1[/URL] found by pomegranate2 (487955 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124133"]66048*1027^152369+1[/URL] found by grcpool.com-3 (458875 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124134"]68398*1027^199397+1[/URL] found by pomegranate (600503 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124135"]70714*1027^171342+1[/URL] found by pomegranate2 (516014 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124149"]71730*1027^154816+1[/URL] found by Deltik (466245 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124136"]73246*1027^184192+1[/URL] found by pomegranate2 (554713 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124137"]79672*1027^168996+1[/URL] found by pomegranate2 (508949 digits)

Nice!

[URL="http://primes.utm.edu/primes/page.php?id=124186"]40*1017^215605+1[/URL] found by marmot (648396 digits)

[URL="http://primes.utm.edu/primes/page.php?id=124175"]11508*1027^151846+1[/URL] found by Neffers [Gridcoin] (457299 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124176"]30364*1027^194319+1[/URL] found by LCB001 (585210 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124177"]49204*1027^170070+1[/URL] found by jeanbig (512183 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124178"]53184*1027^173223+1[/URL] found by wmax (521678 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124179"]63642*1027^154283+1[/URL] found by lanofsong (464639 digits)
[URL="http://primes.utm.edu/primes/page.php?id=124180"]72844*1027^191206+1[/URL] found by Extra Ball (575836 digits)

Two small primes (removing two k from R243)
3636*3^960705-1 is prime! (458377 decimal digits, P = 3) Time : 2741.271 sec.
7972*3^916500-1 is prime! (437286 decimal digits, P = 6) Time : 3135.258 sec.

[URL="http://primes.utm.edu/primes/page.php?id=124303"]174*643^192540-1[/URL] found by grcpool.com (540696 digits)