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| Initial prime number | Digits | When | Discoverer |
|---|---|---|---|
| 2618163402417 • 21290000 − 1 | 388342 | 29 Feb 2016 | Dr. James Scott Brown, PrimeGrid, TwinGen, LLR |
| 18543637900515 • 2666667 − 1 | 200701 | 9 Apr 2012 | Philipp Bliedung, PrimeGrid, TwinGen, LLR |
| 47356235323005 • 2333443 − 1 | 100391 | 3 Oct 2024 | Stephan Vink; Göran Schmidt; Michael Kwok; TwinGen; NewPGen; Twin Prime Search; LLR |
| 21480284945595 • 2333443 − 1 | 100390 | 6 May 2024 | Göran Schmidt; Michael Kwok; LLR2; TwinGen; NewPGen; Twin Prime Search; LLR |
| 66629493 • 2269334 − 1 | 81086 | 27 May 2025 | Serge Batalov; NewPGen; LLR |
| 22942396995 • 2265776 − 1 | 80017 | 12 Nov 2023 | Serge Batalov; NewPGen; LLR |
| 183027 • 2265440 − 1 | 79911 | Mar 2010 | Tom Wu, sgsieve, LLR |
| 648621027630345 • 2253824 − 1 | 76424 | 18 Nov 2009 | Antal Járai, Farkas, Csajbok, Kasza, Antal Járai |
| 620366307356565 • 2253824 − 1 | 76424 | 2 Nov 2009 | Antal Járai, Farkas, Csajbok, Kasza, Antal Járai |
| 10957126745325 • 2222333 − 1 | 66942 | 6 Nov 2023 | Stephan Vink; Oliver Kruse; Michael Kwok; TwinGen; NewPGen; Twin Prime Search; LLR |
| 20690306380455 • 2222332 − 1 | 66942 | 18 Nov 2023 | Oliver Kruse; Stephan Vink; Michael Kwok; TwinGen; NewPGen; Twin Prime Search; LLR |
| 10030004436315 • 2222333 − 1 | 66942 | 6 Nov 2023 | Stephan Vink; Oliver Kruse; Stephan Vink; Michael Kwok; TwinGen; NewPGen; Twin Prime Search; LLR |
| 8964472847055 • 2222333 − 1 | 66942 | 5 Nov 2023 | Oliver Kruse; Stephan Vink; Michael Kwok; TwinGen; NewPGen; Twin Prime Search; LLR |
| 1068669447 • 2211088 − 1 | 63553 | 17 May 2020 | Michael Kwok, PSieve, LLR |
| 99064503957 • 2200008 − 1 | 60220 | 1 Apr 2016 | S. Urushihata, LLR |
| 12443794755 • 2184516 − 1 | 55555 | 9 Sep 2021 | Serge Batalov, NewPGen, LLR |
| 21749869755 • 2184515 − 1 | 55555 | 9 Sep 2021 | Serge Batalov, NewPGen, LLR |
| 14901867165 • 2184515 − 1 | 55555 | 9 Sep 2021 | Serge Batalov, NewPGen, LLR |
| 607095 • 2176311 − 1 | 53081 | Sep 2009 | Tom Wu, LLR |
| 48047305725 • 2172403 − 1 | 51910 | Jan 2007 | David Underbakke, TwinGen, LLR |
| 137211941292195 • 2171960 − 1 | 51780 | May 2006 | Antal Járai, Farkas, Csajbok, Kasza, Antal Járai |
| 4931286045 • 2152849 − 1 | 46022 | 31 Jul 2021 | Frank Doornink, TwinGen, LLR |
| 4318624617 • 2152849 − 1 | 46022 | 31 Jul 2021 | Frank Doornink, TwinGen, LLR |
| 17147299833 • 2143731 − 1 | 43278 | 12 Mar 2023 | Serge Batalov, NewPGen, LLR |
| 21195711 • 2143630 − 1 | 43245 | 14 Jun 2019 | Serge Batalov, NewPGen, LLR |
| 838269645 • 2143165 − 1 | 43106 | 14 Jun 2019 | Serge Batalov, NewPGen, LLR |
| 570409245 • 2143163 − 1 | 43106 | 14 Jun 2019 | Serge Batalov, NewPGen, LLR |
| 2830598517 • 2143112 − 1 | 43091 | 4 Jul 2019 | Serge Batalov, NewPGen, LLR |
| 4158932595 • 2143073 − 1 | 43079 | 6 Jul 2019 | Serge Batalov, NewPGen, LLR |
| 7068555 • 2121301 − 1 | 36523 | Jan 2005 | Predrag Minovic, TwinGen, LLR |
| 2540041185 • 2114729 − 1 | 34547 | Jan 2003 | David Underbakke, TwinGen, LLR |
| 18912879 • 298395 − 1 | 29628 | Nov 2002 | Michael Angel, Dirk Augustin, Paul Jobling, NewPGen, OpenPFGW |
| 1213822389 • 281131 − 1 | 24432 | Aug 2002 | Michael Angel, Dirk Augustin, Paul Jobling, NewPGen, OpenPFGW, Proth |
| 109433307 • 266452 − 1 | 20013 | Feb 2001 | David Underbakke, NewPGen, Proth |
| 3714089895285 • 260000 − 1 | 18075 | Mar 2000 | Karl-Heinz Indlekofer, Antal Járai, Heinz-Georg Wassing |
| 18131 • 22817# − 1 | 9853 | Jan 2000 | Henri Lifchitz |
| 18458709 • 232611 − 1 | 9825 | 1999 | Charles Kerchner, Proth |
| 14516877 • 224176 − 1 | 7285 | 1999 | Charles Kerchner, Proth |
| 72021 • 223630 − 1 | 7119 | 1998 | Yves Gallot |
| 276311 • 219003 + 1 | 5726 | 1998 | Ray Ballinger, Proth |
| 92305 • 216998 + 1 | 5122 | 1998 | Charles Kerchner, Proth |
| 8069496435 • 105072 − 1 | 5082 | 1995 | Harvey Dubner |
| 470943129 • 216352 − 1 | 4932 | 1995 | Antal Járai, Karl-Heinz Indlekofer |
| 5415312903 • 104526 − 1 | 4536 | 1994 | Harvey Dubner |
| 47013511545 • 102999 − 1 | 3010 | 1993 | Harvey Dubner |
| 713851138 • 101854 + 1 | 1863 | 1990 | Harvey Dubner |
| 39051 • 26001 − 1 | 1812 | 1987 | Wilfrid Keller |
| 213778324725 • 2561417 + 1 | 169015 | 17 Mar 2023 | Ryan Propper, Serge Batalov |
| 89396295016384 + 1 | 146659 | 09 Feb 2023 | Roman Trunov & Brian D. Niegocki |
| 107928275961 • 2265875 + 1 | 80048 | 26 Nov 2023 | Serge Batalov; NewPGen; OpenPFGW |
| 3622179275715 • 2256002 + 1 | 77078 | 31 May 2020 | Szekeres Béla, Magyar Péter, Gábor E. Gévay, Gabor Farkas, Antal Járai |
| 2570606397 • 2252762 + 1 | 76099 | 20 May 2020 | Serge Batalov, NewPGen, OpenPFGW |
| 3526667708192 + 1 | 70021 | 4 May 2020 | Jeppe Stig Nielsen, GeneFer, AthGFNSieve, PrivGfnServer, OpenPFGW |
| 1031571488192 + 1 | 65647 | 3 May 2020 | Jeppe Stig Nielsen, OpenPFGW |
| 556336461 • 2211355 + 1 | 63633 | 24 May 2019 | Serge Batalov, NewPGen, LLR |
| 7775705415 • 2175115 + 1 | 52725 | 20 Dec 2017 | Serge Batalov, NewPGen, OpenPFGW |
| 9985628193 • 2171008 + 1 | 51489 | 12 Jul 2016 | Anand S. Nair, NewPGen, LLR |
| 129431439657 • 2170171 + 1 | 51238 | 27 Mar 2015 | Serge Batalov, NewPGen, LLR |
| 185688291 • 2161616 + 1 | 48660 | 7 Jan 2015 | Rajala, NewPGen, OpenPFGW |
| 1579755 • 2158712 + 1 | 47784 | 17 Jul 2014 | Serge Batalov, NewPGen, LLR |
| 648309 • 2148310 + 1 | 44652 | Jul 2010 | Tom Wu, sgsieve, LLR |
| 552903 • 2136156 + 1 | 40993 | Jun 2010 | Tom Wu, sgsieve, LLR |
| 163221 • 2124600 + 1 | 37514 | Dec 2009 | Tom Wu, sgsieve, LLR |
| 532323 • 2104389 + 1 | 31430 | Nov 2009 | Tom Wu, sgsieve, LLR |
| 581627055 • 293181 + 1 | 28060 | Aug 2009 | Dirk Augustin, NewPGen, OpenPFGW |
| 3853775193 • 280000 + 1 | 24092 | May 2007 | Anand S. Nair, NewPGen, LLR |
| 1504084599 • 278341 + 1 | 23593 | Apr 2004 | Jiong Sun, PRP, NewPGen, Proth |
| 863710323 • 252588 + 1 | 15840 | Dec 2003 | Jiong Sun, PRP, NewPGen, Proth |
| 55003425 • 250000 + 1 | 15060 | Nov 2003 | Gary Chaffey, Proth |
| 164581485 • 249800 + 1 | 15000 | 2003 | Gary Chaffey, Proth |
| 675558849 • 240217 + 1 | 12116 | Nov 2000 | Dirk Augustin, Paul Jobling, NewPGen, PRP |
| 16769025 • 234071 + 1 | 10264 | 1998 | Henri Lifchitz, Yves Gallot |
| 15015 • 223870 + 1 | 7190 | 1993 | Young , but recognized as CC2 many years later |
| 2926924 • 102032 + 1 | 2039 | 1992 | Harvey Dubner |