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Record history for k=18

k Primes n's Digits Year Discoverer
18 (33277396902 + 139569962n)53#+1 1..18 31 2019 Norman Luhn, NewPGen, PrimeForm
18 (16013322956 + 918494804n)53#+1 0..17 31 2019 Norman Luhn, NewPGen, PrimeForm
18 (19024732855 + 282152663n)53#+1 0..17 30 2019 Norman Luhn, NewPGen, PrimeForm
18(16682454839 + 24397524n)53#+10..17302019Norman Luhn, NewPGen, PrimeForm
18 1029+999 + 180644894430079832019519#(n-2) 1..18 30 2014 Jaroslaw Wroblewski
18 (1051673535 + 32196596n)53#+1 0..17 29 2007 Jens Kruse Andersen
18 62749659973280668140514103 + 10761#n 1..18 27 2007 Jaroslaw Wroblewski
18 47 + 1962253442017752317#n 0..17 24 2007 Gennady Gusev
18 970080760458011996047 + 53#n 0..17 22 2007 Jaroslaw Wroblewski
18 398182070391807316627 + 53#n 0..17 21 2006 Jaroslaw Wroblewski
18 (273972449 + 25355830n)31#+1 1..18 21 2005 Jens Kruse Andersen
18 (1042322200 + 11598832n)23#+1 0..17 18 2002 Markus Frind