IDEA, a member of the team Idea Digital Imaging found a megaprime for base R622.
The prime 78*622^402915-1 has 1.125.662 digits and entered the TOP5000 in Chris Caldwell's The Largest Known Primes Database. With this find it is also proven the base!
Source: http://srbase.my-firewall.org/sr5/forum ... hp?id=1784
[SRBase] base R622 Megaprime / proven
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