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Proth primes of the form 80•3n+1

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Current data

k , b : 80 , 3
Count : 35
Nash : 3626
Max n : 200,000
Date : 2020-10-26
1, 3, 4[1], 5, 6, 10, 21, 35, 54, 71, 90, 202, 306, 346, 415, 419, 569, 1925, 3335, 4914, 5073, 5693, 5913, 21576[2], 34993, 35703, 37378, 47244[3], 49907, 78407, 117274, 149994, 175025, 198346, 199890
Remarks :
For additional n ≡ 0 mod 4 history, see Williams 80•81n+1.

Notes

History