Information as of 20200407: Inserting more history entries for Riesel primes k<300 (k=149 done)
 Collected: MersenneForum thread "POST LOTS AND LOTS OF PRIMES HERE": #1 (20100317)  #1945 (20200311) (100%) done.
 Collected: IDs for Riesel primes of the The Prime Pages: k = 1  299 (100%) done.
 DONE: MersenneForum thread "Riesel Primes k*2^n1, k<300 (Part II)" (#1 (20070708)  #986 (20200406)).
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Williams primes of the form 948•947^{n}+1
Current data


 20190617: Checked to n = 10000, Karsten Bonath