zlodeck, a member of the team Russia found a megaprime for base R2 2nd conjecture.
The prime 543131*2^3529754-1 has 1.062.568 digits and entered the TOP5000 in Chris Caldwell's The Largest Known Primes Database.
Source
Actualités en direct des projets (non traduites)
SRBase - base R2 2nd conjecture / Megaprime
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