Proth primes of the form 18446744073709551427•10ⁿ+1

2024-07-25: Checked n = 1 &#160;-&#160; 100000 , Karsten Bonath
2024-07-16: Found n =&#160;764330 , <a href="/z/index.php?title=Edward_Trice&amp;action=edit&amp;redlink=1" class="new" title="Edward Trice (page does not exist)">Edward Trice
2013-01-04: Found n =&#160;476124 , <a href="/z/index.php?title=Edward_Trice&amp;action=edit&amp;redlink=1" class="new" title="Edward Trice (page does not exist)">Edward Trice
2012-12-01: Found n =&#160;413500 , <a href="/z/index.php?title=Edward_Trice&amp;action=edit&amp;redlink=1" class="new" title="Edward Trice (page does not exist)">Edward Trice

Current data

38, 214, 425, 557, 713, 1322, 1330, 5061, 19090, 19876, 31954, 41012, 53924, 94455, 413500, 476124, 764330

Remarks :

The k-value is given as 2^64-189 at The Prime Pages.

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