Science United found a megaprime for base R2 2nd conjecture.
The prime 625783*2^7031319-1 has 2.116.644 digits and entered the TOP5000 in Chris Caldwell's The Largest Known Primes Database.
Hoshione, a member of the team SETI.Germany found a megaprime for base R2 2nd conjecture.
The prime 580633*2^7208783-1 has 2.170.066 digits and entered the TOP5000 in Chris Caldwell's The Largest Known Primes Database.
More...