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Proth primes of the form 19•2n+1

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Reserved! This sequence is currently part of Multi Reservation 20: Riesel problem 3.

Current data

k , b : 19 , {{{Pb}}}
Count : 21
Nash : 828
Max n : 1,000,000
Date : 2023-06-29
Reserved : Alexander JonesAlexander Jones/Reserved
6[1], 10[2], 46[3], 366[4], 1246[5], 2038[6], 4386, 4438, 6838, 7498, 7998, 9450, 11890, 17034, 23290, 73338, 149146, 323638, 853546, 2206266[7], 6833086[8]
Remarks :
PrimeGrid is searching 3.64M ≤ n ≤ 9M

[[Category:Proth {{{Pb}}}|#.....00019]][[Category:Proth {{{Pb}}} Low-weight|#.....00019]]

Notes

History