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Old 2011-02-19, 14:53   #969
Flatlander
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855*2^785632-1 is prime.

edit:
I can't believe my first ever reportable prime (27*2^627794-1) is now off the list. Found nearly 6 years ago at position 198. I still haven't found a higher placed one.

Last fiddled with by Flatlander on 2011-02-19 at 15:04 Reason: Nostalgia.
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Old 2011-02-24, 13:37   #970
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805*2^789495-1 is prime.
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Old 2011-02-27, 16:48   #971
henryzz
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951*2^800305-1 is prime
Having a really good time with primes this year.
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Old 2011-03-01, 13:44   #972
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851*2^801966-1 is prime.
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Old 2011-03-02, 01:33   #973
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819*2^796381-1 is prime
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Old 2011-03-04, 05:05   #974
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May 2007
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Ototero found 913*2^796423-1 is prime.
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Old 2011-03-05, 22:47   #975
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979*2^803865-1 is prime.
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Old 2011-03-10, 09:34   #976
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983*2^799052-1 is prime
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Old 2011-03-12, 23:15   #977
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949*2^806651-1 is prime.
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Old 2011-03-19, 10:01   #978
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313*2^1137387-1 is prime.
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Old 2011-03-20, 01:12   #979
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987*2^812548-1 is prime
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