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Williams primes of the form 255•256n-1

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Reserved! This sequence is currently reserved by: No Prime Left Behind

Current data

Base : 256
Count : 5
Max n : 350,000
Date : 2024-11-13
Reserved : No Prime Left BehindNo Prime Left Behind/Reserved
3, 5, 61, 56268, 74010
Remarks :
Do not add primes here. Only add primes 8*n to Riesel 255•2n-1.
For additional history, see above reused Riesel sequence.