
| Generalized Fermat Primes, 18 Term: b262144 + 1 Total: 179 Reference: PrimePages | |||||
| Rank | Number | Digits | When | Who | PrimePages - ID | 
|---|---|---|---|---|---|
| 1 | 59145944262144 + 1 | 2037364 | Mar 2025 | Wolfgang Schwieger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140519 | 
| 2 | 58936230262144 + 1 | 2036960 | Mar 2025 | Ricky L Hubbard; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140518 | 
| 3 | 58870004262144 + 1 | 2036832 | Mar 2025 | Dr. sc. nat. Bernhard Pabsch; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140517 | 
| 4 | 58846688262144 + 1 | 2036787 | Mar 2025 | Wolfgang Schwieger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140515 | 
| 5 | 58333324262144 + 1 | 2035789 | Mar 2025 | Wolfgang Schwieger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140508 | 
| 6 | 58288282262144 + 1 | 2035701 | Mar 2025 | Patrick Schöfer; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140510 | 
| 7 | 57643582262144 + 1 | 2034435 | Mar 2025 | Leon Bird; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140507 | 
| 8 | 57594478262144 + 1 | 2034338 | Mar 2025 | Todd Pickering; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140506 | 
| 9 | 57478518262144 + 1 | 2034108 | Mar 2025 | Grzegorz Granowski; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140514 | 
| 10 | 57429230262144 + 1 | 2034011 | Mar 2025 | Valter Cavecchia; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140502 | 
| 11 | 56303352262144 + 1 | 2031757 | Mar 2025 | Barry Walsh; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140500 | 
| 12 | 56295176262144 + 1 | 2031740 | Mar 2025 | Jonathan Seeley; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140495 | 
| 13 | 55952434262144 + 1 | 2031045 | Mar 2025 | Marius Vultur; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140494 | 
| 14 | 55892864262144 + 1 | 2030923 | Mar 2025 | Louis Meuler; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140499 | 
| 15 | 55702322262144 + 1 | 2030535 | Mar 2025 | Leon Bird; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140498 | 
| 16 | 55695224262144 + 1 | 2030520 | Mar 2025 | Vaughan Davies; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140491 | 
| 17 | 55169618262144 + 1 | 2029441 | Mar 2025 | Martin Neujahr; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140487 | 
| 18 | 55007338262144 + 1 | 2029105 | Mar 2025 | Dr. James Scott Brown; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140486 | 
| 19 | 54852328262144 + 1 | 2028784 | Mar 2025 | LeRoy Blanchard; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140490 | 
| 20 | 54528918262144 + 1 | 2028111 | Mar 2025 | LeRoy Blanchard; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140493 | 
| 21 | 54044092262144 + 1 | 2027094 | Mar 2025 | Zack Friedrichsen; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140481 | 
| 22 | 53903472262144 + 1 | 2026797 | Mar 2025 | Antonio Lucendo; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140485 | 
| 23 | 53750036262144 + 1 | 2026473 | Mar 2025 | Alen Kecic; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140480 | 
| 24 | 53616962262144 + 1 | 2026191 | Mar 2025 | Peter Hundhausen; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140505 | 
| 25 | 53311612262144 + 1 | 2025540 | Mar 2025 | Pavel Rosický; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140479 | 
| 26 | 53008094262144 + 1 | 2024890 | Mar 2025 | Alex Hogan; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140475 | 
| 27 | 52648144262144 + 1 | 2024115 | Mar 2025 | John Hall; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140447 | 
| 28 | 52599274262144 + 1 | 2024009 | Mar 2025 | Scott Lee; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140446 | 
| 29 | 52592976262144 + 1 | 2023995 | Mar 2025 | Antonio Lucendo; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140445 | 
| 30 | 51992174262144 + 1 | 2022687 | Mar 2025 | Valter Cavecchia; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140390 | 
| 31 | 51852794262144 + 1 | 2022382 | Mar 2025 | Vaughan Davies; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140379 | 
| 32 | 51714136262144 + 1 | 2022077 | Mar 2025 | Wolfgang Schwieger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140369 | 
| 33 | 51283286262144 + 1 | 2021124 | Mar 2025 | Margus Sõmer; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140335 | 
| 34 | 51125138262144 + 1 | 2020773 | Mar 2025 | Antonio Lucendo; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140312 | 
| 35 | 50454356262144 + 1 | 2019269 | Mar 2025 | Antonio Lucendo; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140253 | 
| 36 | 50449664262144 + 1 | 2019259 | Mar 2025 | Marius Vultur; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140252 | 
| 37 | 50366208262144 + 1 | 2019070 | Mar 2025 | Anthony Templin; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140240 | 
| 38 | 50121532262144 + 1 | 2018516 | Feb 2025 | Andrew Dunchouk; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140191 | 
| 39 | 49536902262144 + 1 | 2017180 | Feb 2025 | Valter Cavecchia; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140146 | 
| 40 | 49235348262144 + 1 | 2016485 | Feb 2025 | Antonio Lucendo; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140107 | 
| 41 | 49209090262144 + 1 | 2016424 | Feb 2025 | Anthony Templin; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140106 | 
| 42 | 48055302262144 + 1 | 2013723 | Feb 2025 | Zack Friedrichsen; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139880 | 
| 43 | 47707672262144 + 1 | 2012896 | Feb 2025 | Gregory Coscia; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139834 | 
| 44 | 47351862262144 + 1 | 2012044 | Feb 2025 | Christian Probst; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139788 | 
| 45 | 47281922262144 + 1 | 2011876 | Feb 2025 | Kai Presler; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139764 | 
| 46 | 47255958262144 + 1 | 2011813 | Feb 2025 | Louis Meuler; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139763 | 
| 47 | 46831458262144 + 1 | 2010786 | Feb 2025 | John S Chambers; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139711 | 
| 48 | 46378776262144 + 1 | 2009680 | Feb 2025 | David Hua; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139578 | 
| 49 | 45073202262144 + 1 | 2006429 | Jan 2025 | Bruce Slade; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139095 | 
| 50 | 45007104262144 + 1 | 2006262 | Jan 2025 | Valter Cavecchia; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139038 | 
| 51 | 44819108262144 + 1 | 2005786 | Jan 2025 | Bruce Marler; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138913 | 
| 52 | 44666524262144 + 1 | 2005397 | Jan 2025 | Jean-Luc Garambois; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138866 | 
| 53 | 44144624262144 + 1 | 2004059 | Dec 2024 | Kai Presler; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138809 | 
| 54 | 44030166262144 + 1 | 2003764 | Dec 2024 | Kai Presler; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138812 | 
| 55 | 43330794262144 + 1 | 2001941 | Dec 2024 | Howard Shi; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138751 | 
| 56 | 42781592262144 + 1 | 2000489 | Nov 2024 | Latah Headrick; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138727 | 
| 57 | 42474318262144 + 1 | 1999668 | Dec 2024 | Anonymous; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138741 | 
| 58 | 42006214262144 + 1 | 1998406 | Oct 2024 | David Åkesson; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138671 | 
| 59 | 40460760262144 + 1 | 1994139 | Jul 2024 | Latah Headrick; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138362 | 
| 60 | 39896728262144 + 1 | 1992541 | Jun 2024 | Richard R Wheeler; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138259 | 
| 61 | 39164812262144 + 1 | 1990433 | May 2024 | Shawn Schafer; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138159 | 
| 62 | 38786700262144 + 1 | 1989328 | May 2024 | Tom Greer; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138110 | 
| 63 | 38786786262144 + 1 | 1989328 | May 2024 | Michael Garrison; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138119 | 
| 64 | 38738332262144 + 1 | 1989186 | May 2024 | Wei Tang; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138113 | 
| 65 | 38214850262144 + 1 | 1987637 | May 2024 | KaiMing Poon; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138077 | 
| 66 | 38108804262144 + 1 | 1987321 | Apr 2024 | Reginald McLean; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138042 | 
| 67 | 37986650262144 + 1 | 1986955 | May 2024 | Kyle J Johnson; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138055 | 
| 68 | 37787006262144 + 1 | 1986355 | Apr 2024 | Matt Jurach; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137989 | 
| 69 | 37700936262144 + 1 | 1986096 | May 2024 | Anonymous; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138076 | 
| 70 | 37689944262144 + 1 | 1986063 | May 2024 | Anonymous; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138095 | 
| 71 | 37349040262144 + 1 | 1985028 | Apr 2024 | Antonio Lucendo; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137931 | 
| 72 | 37047448262144 + 1 | 1984105 | Mar 2024 | Alex Meister; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137907 | 
| 73 | 36778106262144 + 1 | 1983274 | Mar 2024 | Benoit Da Mota; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137890 | 
| 74 | 36748386262144 + 1 | 1983182 | Mar 2024 | Benoit Da Mota; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137887 | 
| 75 | 36717890262144 + 1 | 1983088 | Mar 2024 | Jonathan Sipes; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137877 | 
| 76 | 36210400262144 + 1 | 1981503 | Mar 2024 | Ryan Propper; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137849 | 
| 77 | 35196086262144 + 1 | 1978269 | Mar 2024 | Antonio Lucendo; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137759 | 
| 78 | 34443124262144 + 1 | 1975807 | Feb 2024 | Valter Cavecchia; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137659 | 
| 79 | 33798406262144 + 1 | 1973655 | Feb 2024 | Jochen Beck; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137600 | 
| 80 | 33491530262144 + 1 | 1972617 | Feb 2024 | Bob Calvin; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137564 | 
| 81 | 33061466262144 + 1 | 1971146 | Feb 2024 | Anthony Templin; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137486 | 
| 82 | 32497152262144 + 1 | 1969186 | Feb 2024 | Marius Vultur; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137347 | 
| 83 | 32171198262144 + 1 | 1968038 | Feb 2024 | Wes Hewitt; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137244 | 
| 84 | 32067848262144 + 1 | 1967672 | Feb 2024 | Hans Sveen; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137192 | 
| 85 | 31371484262144 + 1 | 1965172 | Jan 2024 | Randy Eldredge; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136896 | 
| 86 | 30941436262144 + 1 | 1963601 | Jan 2024 | Yuya Mochizuki; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136870 | 
| 87 | 29645358262144 + 1 | 1958729 | Dec 2023 | James Schumacher; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136793 | 
| 88 | 29614286262144 + 1 | 1958610 | Dec 2023 | John Bodlina; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136797 | 
| 89 | 29445800262144 + 1 | 1957960 | Dec 2023 | Greg Miller; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136790 | 
| 90 | 29353924262144 + 1 | 1957604 | Dec 2023 | Vaughan Davies; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136788 | 
| 91 | 29333122262144 + 1 | 1957524 | Dec 2023 | Lorin Arnold; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136787 | 
| 92 | 29097000262144 + 1 | 1956604 | Dec 2023 | LeRoy Blanchard; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136792 | 
| 93 | 28342134262144 + 1 | 1953611 | Dec 2023 | Axel Amberg; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136753 | 
| 94 | 28259150262144 + 1 | 1953277 | Dec 2023 | Jan Kožíšek; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136751 | 
| 95 | 28004468262144 + 1 | 1952246 | Dec 2023 | Marius Vultur; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136743 | 
| 96 | 27789002262144 + 1 | 1951367 | Dec 2023 | Lleyton Joseph; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136731 | 
| 97 | 27615064262144 + 1 | 1950652 | Dec 2023 | Dr. James Scott Brown; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136714 | 
| 98 | 26640150262144 + 1 | 1946560 | Oct 2023 | Shaun Stewart; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136553 | 
| 99 | 26128000262144 + 1 | 1944350 | Sep 2023 | James Elmore; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136442 | 
| 100 | 25875054262144 + 1 | 1943243 | Aug 2023 | Michael Millerick; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136367 | 
| 101 | 25690360262144 + 1 | 1942427 | Aug 2023 | Shihan Zhao; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136343 | 
| 102 | 25635940262144 + 1 | 1942186 | Aug 2023 | Igor Keller; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136326 | 
| 103 | 25461468262144 + 1 | 1941408 | Jul 2023 | Honza Cholt; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136289 | 
| 104 | 25333402262144 + 1 | 1940834 | Jul 2023 | Dieter Börgerding; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136268 | 
| 105 | 24678636262144 + 1 | 1937853 | Jun 2023 | Marius Vultur; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136129 | 
| 106 | 24429706262144 + 1 | 1936699 | May 2023 | Eli T. Drumm; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136113 | 
| 107 | 23591460262144 + 1 | 1932724 | Apr 2023 | Rafael Trigueiro; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135987 | 
| 108 | 23479122262144 + 1 | 1932181 | Apr 2023 | Mariusz Ługowski; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135965 | 
| 109 | 22984886262144 + 1 | 1929758 | Mar 2023 | Frank Doornink; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135884 | 
| 110 | 22790808262144 + 1 | 1928793 | Mar 2023 | Bryan Little; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135841 | 
| 111 | 22480000262144 + 1 | 1927230 | Mar 2023 | Igor Keller; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135790 | 
| 112 | 22479752262144 + 1 | 1927229 | Mar 2023 | Alex Huetter; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135788 | 
| 113 | 22470828262144 + 1 | 1927183 | Mar 2023 | Dr. James Scott Brown; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135785 | 
| 114 | 20866766262144 + 1 | 1918752 | Feb 2023 | Tom Greer; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135532 | 
| 115 | 20710506262144 + 1 | 1917896 | Feb 2023 | Milan Fňašek; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135502 | 
| 116 | 20543682262144 + 1 | 1916975 | Feb 2023 | Darren Li; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135401 | 
| 117 | 20105956262144 + 1 | 1914523 | Feb 2023 | Uwe Hass; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135314 | 
| 118 | 19859450262144 + 1 | 1913119 | Feb 2023 | Detlef Lexut; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135255 | 
| 119 | 19527922262144 + 1 | 1911202 | Feb 2023 | Bill Cavnaugh; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135194 | 
| 120 | 19322744262144 + 1 | 1910000 | Feb 2023 | Will Steinbach; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 135166 | 
| 121 | 18395930262144 + 1 | 1904404 | Dec 2022 | Ryan Propper; GFNSvCUDA sieve; GeneFer; | 134628 | 
| 122 | 17191822262144 + 1 | 1896697 | Dec 2022 | Ryan Propper; GFNSvCUDA sieve; GeneFer; | 134609 | 
| 123 | 16769618262144 + 1 | 1893866 | Nov 2022 | Per Provencher; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 134589 | 
| 124 | 16048460262144 + 1 | 1888862 | Sep 2022 | Zoltan Kemenes; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 134387 | 
| 125 | 15913772262144 + 1 | 1887902 | Aug 2022 | Vaughan Davies; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 134302 | 
| 126 | 15859176262144 + 1 | 1887511 | Jul 2022 | William Byerly; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 134258 | 
| 127 | 15417192262144 + 1 | 1884293 | Mar 2022 | Erik Veit; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 133785 | 
| 128 | 14741470262144 + 1 | 1879190 | Feb 2022 | Timothy D Winslow; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 133443 | 
| 129 | 14399216262144 + 1 | 1876516 | Dec 2021 | Bill Cavnaugh; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 133074 | 
| 130 | 14103144262144 + 1 | 1874151 | Oct 2021 | Kai Gerstenberger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 132807 | 
| 131 | 13911580262144 + 1 | 1872594 | Aug 2021 | Eudy Silva; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 132643 | 
| 132 | 13640376262144 + 1 | 1870352 | May 2021 | Igor Keller; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 132356 | 
| 133 | 13553882262144 + 1 | 1869628 | May 2021 | Igor Keller; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 132289 | 
| 134 | 13039868262144 + 1 | 1865227 | Feb 2021 | Liam McGonegal; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 131844 | 
| 135 | 12959788262144 + 1 | 1864525 | Feb 2021 | Wolfgang Schwieger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 131737 | 
| 136 | 12582496262144 + 1 | 1861162 | Jan 2021 | Jacques Molné; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 131529 | 
| 137 | 12529818262144 + 1 | 1860684 | Dec 2020 | Brendon Gory; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 131525 | 
| 138 | 12304152262144 + 1 | 1858615 | Dec 2020 | Wolfgang Schwieger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 131510 | 
| 139 | 12189878262144 + 1 | 1857553 | Dec 2020 | Brian D. Niegocki; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 131518 | 
| 140 | 11081688262144 + 1 | 1846702 | Sep 2020 | Erik Veit; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 131256 | 
| 141 | 10979776262144 + 1 | 1845650 | Aug 2020 | John Hall; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 131088 | 
| 142 | 10829576262144 + 1 | 1844082 | Jul 2020 | Per Provencher; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 131019 | 
| 143 | 10793312262144 + 1 | 1843700 | Jul 2020 | Brian D. Niegocki; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130999 | 
| 144 | 10627360262144 + 1 | 1841936 | Jun 2020 | Nick Merrylees; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130944 | 
| 145 | 10578478262144 + 1 | 1841411 | May 2020 | Igor Keller; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130929 | 
| 146 | 9812766262144 + 1 | 1832857 | Feb 2020 | Tom Greer; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130530 | 
| 147 | 9750938262144 + 1 | 1832137 | Feb 2020 | Alen Kecic; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130484 | 
| 148 | 9450844262144 + 1 | 1828578 | Jan 2020 | Jacob Eikelenboom; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130272 | 
| 149 | 9125820262144 + 1 | 1824594 | Dec 2019 | Yoshimitsu Kato; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130158 | 
| 150 | 8883864262144 + 1 | 1821535 | Nov 2019 | Rod Skinner; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130088 | 
| 151 | 8521794262144 + 1 | 1816798 | Sep 2019 | Ken Ito; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 129918 | 
| 152 | 6291332262144 + 1 | 1782250 | Dec 2018 | Karsten Freihube; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 125862 | 
| 153 | 6287774262144 + 1 | 1782186 | Dec 2018 | Greg Miller; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 125859 | 
| 154 | 5828034262144 + 1 | 1773542 | Sep 2018 | Rob Gahan; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 125648 | 
| 155 | 5205422262144 + 1 | 1760679 | Jun 2018 | Dr. James Scott Brown; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 125388 | 
| 156 | 5152128262144 + 1 | 1759508 | Jun 2018 | Rob Gahan; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 125364 | 
| 157 | 4489246262144 + 1 | 1743828 | Mar 2018 | Wolfgang Schwieger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 124488 | 
| 158 | 4246258262144 + 1 | 1737493 | Feb 2018 | Rob Gahan; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 124353 | 
| 159 | 3933508262144 + 1 | 1728783 | Jan 2018 | Alen Kecic; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 124190 | 
| 160 | 3853792262144 + 1 | 1726452 | Jan 2018 | Rod Skinner; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 124118 | 
| 161 | 3673932262144 + 1 | 1721010 | Dec 2017 | Sean Humphries; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 124044 | 
| 162 | 3596074262144 + 1 | 1718572 | Nov 2017 | Howard Gordon; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 123995 | 
| 163 | 3547726262144 + 1 | 1717031 | Oct 2017 | Dr. James Scott Brown; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 123974 | 
| 164 | 3060772262144 + 1 | 1700222 | Jun 2017 | Sean Humphries; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 123617 | 
| 165 | 2676404262144 + 1 | 1684945 | Mar 2017 | Wolfgang Schwieger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 123187 | 
| 166 | 2611294262144 + 1 | 1682141 | Mar 2017 | Roman Vogt; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 123136 | 
| 167 | 2514168262144 + 1 | 1677825 | Feb 2017 | William de Thomas; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 123051 | 
| 168 | 2042774262144 + 1 | 1654187 | Nov 2016 | Tsuyoshi Ohsugi; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 122532 | 
| 169 | 1828858262144 + 1 | 1641593 | Aug 2016 | Brook Harste; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 122018 | 
| 170 | 1615588262144 + 1 | 1627477 | May 2016 | Brook Harste; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 121619 | 
| 171 | 1488256262144 + 1 | 1618131 | Mar 2016 | Stefan Larsson; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 121375 | 
| 172 | 1415198262144 + 1 | 1612400 | Feb 2016 | Frank Matillek; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 121187 | 
| 173 | 773620262144 + 1 | 1543643 | Apr 2012 | Senji Yamashita; geneferCUDA; AthGFNSieve; PrimeGrid; LLR | 106465 | 
| 174 | 676754262144 + 1 | 1528413 | Feb 2012 | Carlos Loureiro; geneferCUDA; AthGFNSieve; PrimeGrid; LLR | 104592 | 
| 175 | 525094262144 + 1 | 1499526 | Jan 2012 | David Tomecko; geneferCUDA; AthGFNSieve; PrimeGrid; OpenPFGW | 103976 | 
| 176 | 361658262144 + 1 | 1457075 | Nov 2011 | Michel Johnson; geneferCUDA; AthGFNSieve; PrimeGrid; OpenPFGW | 102720 | 
| 177 | 145310262144 + 1 | 1353265 | Feb 2011 | Ricky L Hubbard; GenefX64; AthGFNSieve; PrimeGrid; OpenPFGW | 98160 | 
| 178 | 40734262144 + 1 | 1208473 | Mar 2011 | Senji Yamashita; GenefX64; AthGFNSieve; PrimeGrid; OpenPFGW | 99092 | 
| 179 | 24518262144 + 1 | 1150678 | Mar 2008 | Stephen Scott; AthGFNSieve; Proth | 84401 | 
| Generalized Fermat Primes, 19 Term: b524288 + 1 Total: 24 Reference: PrimePages | |||||
| Rank | Number | Digits | When | Who | PrimePages - ID | 
|---|---|---|---|---|---|
| 1 | 13520762524288 + 1 | 3738699 | Feb 2025 | Zimai Wu; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140170 | 
| 2 | 13427472524288 + 1 | 3737122 | Mar 2025 | Jean-Luc Garambois; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 140291 | 
| 3 | 12900356524288 + 1 | 3728004 | Jan 2025 | Valter Cavecchia; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 139212 | 
| 4 | 12693488524288 + 1 | 3724323 | Jan 2025 | Jason Biggs; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138830 | 
| 5 | 11937916524288 + 1 | 3710349 | Oct 2024 | Murray Sondergard; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138627 | 
| 6 | 10913140524288 + 1 | 3689913 | Jun 2024 | Heinrich Podsada; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138229 | 
| 7 | 9332124524288 + 1 | 3654278 | Jun 2024 | Detlef Lexut; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138244 | 
| 8 | 8630170524288 + 1 | 3636472 | Apr 2024 | Antonio Lucendo; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 137963 | 
| 9 | 6339004524288 + 1 | 3566218 | Jun 2023 | Ken Glennie; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 136150 | 
| 10 | 5897794524288 + 1 | 3549792 | Dec 2022 | Ryan Propper; GFNSvCUDA sieve; GeneFer; | 134642 | 
| 11 | 4896418524288 + 1 | 3507424 | May 2022 | Tom Greer; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 133947 | 
| 12 | 3638450524288 + 1 | 3439810 | May 2020 | Wolfgang Schwieger; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130938 | 
| 13 | 3214654524288 + 1 | 3411613 | Dec 2019 | Alen Kecic; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 130199 | 
| 14 | 2985036524288 + 1 | 3394739 | Sep 2019 | Peter Harvey; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 129943 | 
| 15 | 2877652524288 + 1 | 3386397 | Jun 2019 | Roman Vogt; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 126598 | 
| 16 | 2788032524288 + 1 | 3379193 | Apr 2019 | Ed Goforth; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 126397 | 
| 17 | 2733014524288 + 1 | 3374655 | Mar 2019 | Yair Givoni; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 126324 | 
| 18 | 2312092524288 + 1 | 3336572 | Aug 2018 | Rob Gahan; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 125520 | 
| 19 | 2061748524288 + 1 | 3310478 | Mar 2018 | Cesare Marini; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 124537 | 
| 20 | 1880370524288 + 1 | 3289511 | Jan 2018 | Dr. James Scott Brown; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 124143 | 
| 21 | 475856524288 + 1 | 2976633 | Aug 2012 | Masashi Kumagai; geneferCUDA; AthGFNSieve; PrimeGrid; LLR | 108818 | 
| 22 | 356926524288 + 1 | 2911151 | Jul 2012 | Tim McArdle; GenefX64; AthGFNSieve; PrimeGrid; LLR | 108492 | 
| 23 | 341112524288 + 1 | 2900832 | Jun 2012 | Peyton Hayslette; geneferCUDA; AthGFNSieve; PrimeGrid; LLR | 107930 | 
| 24 | 75898524288 + 1 | 2558647 | Nov 2011 | Michael Goetz; geneferCUDA; AthGFNSieve; PrimeGrid; OpenPFGW | 103235 | 
| Generalized Fermat Primes, 20 Term: b1048576 + 1 Total: 5 References: PrimePages | |||||
| Rank | Number | Digits | When | Who | PrimePages - ID | 
|---|---|---|---|---|---|
| 1 | 38432361048576 + 1 | 6904556 | Dec 2024 | Jonas Skendelis; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 138793 | 
| 2 | 19637361048576 + 1 | 6598776 | Sep 2022 | Tom Greer; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 134423 | 
| 3 | 19517341048576 + 1 | 6595985 | Aug 2022 | Kazuya Tanaka; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 134298 | 
| 4 | 10590941048576 + 1 | 6317602 | Nov 2018 | Rob Gahan; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 125753 | 
| 5 | 9194441048576 + 1 | 6253210 | Sep 2017 | Sylvanus A. Zimmerman; GFNSvCUDA sieve; GeneFer; AthGFNSieve; PrimeGrid; LLR | 123875 |