SuperCthulhu, a member of the team BOINC@AUSTRALIA found a megaprime for base R298.
The prime 105*298^461505-1 has 1.141.866 digits and entered the TOP5000 in Chris Caldwell's The Largest Known Primes Database.
Source
Actualités en direct des projets (non traduites)
SRBase - base R298 Megaprime
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