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Old 2010-12-31, 23:28   #1
Joe O
 
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Default S/R Base 5 Primes reported in 2011

Quote:
Originally Posted by Joe O View Post
This was the thread for all S/R Primes reported in 2010.

The previous two Prime threads, covering the beginning to 2008 can be found here:

The Prime Announcement Thread

Sierpinski/Riesel Base 5: Post Primes Here
This will be the thread for all S/R Primes reported in 2011.
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Old 2011-01-02, 23:29   #2
Joe O
 
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Default 1st Prime of 2011

http://primes.utm.edu/primes/page.php?id=97224
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Old 2011-01-24, 18:12   #3
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Default 2nd Prime of 2011

A prime has been found by our partner PrimeGrid.
301016*5^586858-1 (410202 digits)
Credit will be shared by PrimeGrid and Sierpinski /Riesel Base 5.

http://primes.utm.edu/primes/page.php?id=97685

Last fiddled with by Joe O on 2011-01-26 at 00:32
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Old 2011-01-31, 21:47   #4
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Default 3rd Prime of 2011

Our partner PrimeGrid has found another Prime.


http://primes.utm.edu/primes/page.php?id=97883
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Old 2011-02-11, 15:52   #5
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Default 4th Prime of 2011

Our partner PrimeGrid has found another Prime: http://primes.utm.edu/primes/page.php?id=98188
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Old 2011-02-15, 09:17   #6
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Default 5th Prime of 2011

PrimeGrid found another prime

http://primes.utm.edu/primes/page.php?id=98405
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Old 2011-04-23, 13:39   #7
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Was a long time since the last one but here we are:

http://primes.utm.edu/primes/page.php?id=99805
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Old 2011-04-24, 21:14   #8
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I got one too! Thanks for the heads up ltd, and the instructions on how to submit it.

It was my very first prime ever, I submitted it according to all the instructions, and 2 hours later the status was "proven", with direct entrance to #280 on the list.

http://primes.utm.edu/primes/page.php?id=99827
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Old 2011-07-02, 16:15   #9
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Default 8th Prime of 2011

A nice prime for Sascha: http://primes.utm.edu/primes/page.php?id=100681
49568*5^640900 - 1

Enters at position 188 on the list of top primes.

Last fiddled with by Joe O on 2011-07-02 at 16:16
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Old 2011-07-13, 22:41   #10
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Default 9th Prime for 2011

Kimmo Myllyvirta has found 262172*5^643342-1



which will enter at postion 191




http://primes.utm.edu/primes/page.php?id=100800
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Old 2011-07-18, 13:18   #11
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Default 10th Prime of 2011

27994*5^645221-1 found by Philipp Bliedung on 18 July 2011


http://primes.utm.edu/primes/page.php?id=100836

Last fiddled with by Joe O on 2011-07-18 at 16:03
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