DOUBLE CHECK UNCOVERS 9TH PRIME!
4847 * 2^3321063 + 1 is prime! This is great news as k=4847 was a relatively dense series that required more tests in a given range than the average k. The prime was discovered at 10:50PM EST on October 15th by Richard Hassler, a long-time user who has been crunching SB since August 2003.
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