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Record history for k=10

k Primes n's Digits Year Discoverer
10 (20794561384 + 1638155407n)1050#+1 0..9 450
2019 Norman Luhn, NewPGen, PrimeForm
10(5375864877 + 721683n)800#+10..9340
2019Norman Luhn
10(42918719 + 23865878n)761#+10..9327
2019Mike Oakes
10(3843864037 + 35500601n)691#+10..9300
2019Norman Luhn and Gerd Lamprecht
10 (3186700865 + 61959394n)653#+1 1..10 283 2010 Ken Davis, NewPGen, PrimeForm
10 (565429078 + 147743546n)641#+1 0..9 274 2009 Mike Oakes, NewPGen, PrimeForm
10 (1600616052 + 52323192n)617#+1 0..9 265 2009 Ken Davis, NewPGen, PrimeForm
10 (1079682357 + 109393276n)607#+1 0..9 260 2006 Mike Oakes, NewPGen, PrimeForm
10 (501788528 + 12970338n)463#+1 0..9 202 2005 Jens Kruse Andersen
10 507618446770482 193# + x77 + 210n 0..9 93 1998 Manfred Toplic, Harvey Dubner, Tony Forbes, Nik Lygeros, 
Michel Mizony, Paul Zimmermann

Big Constant : x77 = 54538241683887582668189703590110659057865934764604873840781923513421103495579