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Record history for k=13

k Primes n's Digits Year Discoverer
13 (50448064213 + 4237116495n)229#+1 0..12 103
2019 Norman Luhn, NewPGen, PrimeForm
13 (58494782328 + 70321714n)229#+1 0..12 103
2019 Norman Luhn, NewPGen, PrimeForm
13(3107048086 + 2726206n)229#+10..12101
2019Norman Luhn, NewPGen, PrimeForm
13 (58814898610 + 1121191n)199#+1 0..12 93
2018 Norman Luhn, NewPGen, PrimeForm
13 (1296982250 + 14976848n)191#+1 0..12 85 2010 Mike Oakes, NewPGen, PrimeForm
13 (7967748420 + 340308346n)181#+1 0..12 83 2010 Ken Davis, NewPGen, PrimeForm
13 (1374042988 + 22886141n)173#+1 0..12 78 2006 Mike Oakes, NewPGen, PrimeForm
13 (208988611 + 32224644n)139#+1 0..12 64 2006 Jens Kruse Andersen
13 (11428680 + 6738753n)127#+1 0..12 57 2006 Norman Luhn
13 (539591312 + 45914254n)103#+1 0..12 50 2005 Jens Kruse Andersen
13 17 + 1138781900732575213#n 4..16 22 2001 Phil Carmody