[TA]Skillz, a member of the Team AnandTech found a megaprime for base S171.
The prime 8300*171^472170+1 has 1.054.358 digits and entered the TOP5000 in Chris Caldwell's The Largest Known Primes Database.
Source
Actualités en direct des projets (non traduites)
SRBase - base S171 Megaprime
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