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Record history for AP4
Primes   n's   Digits Year Discoverer
(263093407 + 928724769 • n) • 299901 - 1 0..3 30083 2022 Serge Batalov, NewPGen, OpenPFGW
(11600483 + 1809778 • n) • 60919# + 1 0..3 26383 2022 Serge Batalov, NewPGen, OpenPFGW
(1021747532 + 7399459 • n) • 60013# + 1 0..3 25992 2019 Ken Davis, NewPGen, PrimeForm
(1006521663 + 6205834 • n) • 60013# + 10..3259922019Ken Davis, NewPGen, PrimeForm
(1631979959 • 225000 - 1) + (164196977 • 280000 - 1631979959 • 225000) • n 0..3 24092 2010 David Broadhurst, NewPGen, PrimeForm
(1000362700 + 2571033 • n) • 34687# + 1 0..3 15004 2010 Mike Oakes, NewPGen, PrimeForm
(487069965 • 225001 - 1) + (87940527 • 245001 - 487069965 • 225001) • n 0..3 13556 2010 David Broadhurst, NewPGen, PrimeForm
(183009063 • 225002 - 1) + (1367721 • 245007 - 183009063 • 225002) • n 0..3 13556 2010 David Broadhurst, NewPGen, PrimeForm
(464049135 • 225001 - 1) + (181836669 • 240000 - 464049135 • 225001) • n 0..3 12050 2010 David Broadhurst, NewPGen, PrimeForm
(222139713 • 225000 - 1) + (165710943 • 240000 - 222139713 • 225000) • n 0..3 12050 2010 David Broadhurst, NewPGen, PrimeForm
(100997770 + 3624707 • n) • 27751# + 1 0..3 11961 2008 Ken Davis, NewPGen, PrimeForm
(100668506 + 809963 • n) • 27751# + 1 0..3 11961 2007 Ken Davis, NewPGen, PrimeForm
(101056849 + 412064 • n) • 27751# + 1 0..3 11961 2007 Ken Davis, NewPGen, PrimeForm
(18271126 + 9548007 • n) • 235000 + 1 0..3 10544 2007 Jim Fougeron, PrimeForm
(2024725 + 197732 • n) • 23159# + 1 0..3 10004 2006 Mike Oakes, NewPGen, PrimeForm
(3897833 + 19575072 • n) • 225000 - 1 0..3 7534 2004 David Broadhurst, PrimeForm