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Record history for k=8

k Primes n's Digits Year Discoverer
8 (48098104751 + 3026809034n)5303#+1 0..7 2271 2019 Norman Luhn, Paul Underwood, Ken Davis, Primeform e-group, NewPGen, PrimeForm
8 (753610389 + 60355670n)2591#+1 0..7 1101 2019 Mike Oakes, NewPGen, PrimeForm
8 (452558752 + 359463429n)2459#+1 0..7 1057 2009 Ken Davis, NewPGen, PrimeForm
8 (4941928071 + 176836494n)2411#+1 0..7 1037 2003 Paul Underwood, Markus Frind, PrimeForm