History for AP19
Primes   n's   Digits When Discoverer
(33277396902 + 139569962 • n) • 53# + 1 0..18 31 27 Jul 2019 Norman Luhn, NewPGen, PrimeForm
1029+999 + 1806448944300798320195 • 19# • (n − 2) 0..18 30 13 Apr 2014 Jaroslaw Wroblewski
62749659973280668140514103 + 107 • 61# • n 0..18 27 10 Feb 2007 Jaroslaw Wroblewski
254215977184797362303 + 53# • n 0..18 21 9 Feb 2007 Jaroslaw Wroblewski
(273972449 + 25355830 • n) • 31# + 1 0..18 21 24 Jan 2005 Jens Kruse Andersen
(669956329 + 7563194 • n) • 23# + 1 1..19 18 2002 Markus Frind