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Proth primes of the form 66741•2ⁿ+1

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Current data

`k` , `b` :	66741 , 2
Type :	3Low
Count :	9
Nash :	811
Max `n` :	50,000
Date :	2020-07-05

5, 51, 95, 117, 237^[1], 357, 2231, 3767, 6837

Remarks :

This k-value seems the smallest k ≡ 0 mod 3 for which k•2ⁿ+1 is never prime for an even n. See Liskovets-Gallot conjectures.

Notes

↑ Twin n=237

History

2020-07-05: Checked to n = 50000, Karsten Bonath

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