PrimeGrid: Prime Fermat Divisor Found

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Congratulations to Robert Boniecki (Robert (http://www.primegrid.com/show_user.php?userid=121803)) of the United States, the discoverer of PrimeGrid's 12th Prime Fermat Divisor in the Proth Prime Search project: 1705*2^906110 + 1 Divides F(906108) (http://primes.utm.edu/primes/page.php?id=107685). This is the 298th known divisor and the 6th found in 2012 (4th by PrimeGrid). The prime is 272,770 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 9th for prime Fermat divisors and 2359th overall. Additionally, it ranks 1st in the Weighted Record Primes of this type at the Prime Pages.For more details, please see the official announcement (http://www.primegrid.com/download/PPS-F906108.pdf).

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