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-   -   M31 216091 (https://www.mersenneforum.org/showthread.php?t=2218)

TTn 2004-03-12 02:06

M31 216091
 
This thread is for the discussion of general Mersenne primes contiguous to M31. :banana:

TTn 2004-03-12 02:09

Rank_k_n_____________digits_provercode_year
1109 97065*2^216095-1 65057 L9 2004
1110 62431*2^216093-1 65056 L9 2004
Are both general Mersenne primes :exclaim:
TTn
Shane F.

TTn 2004-03-12 02:32

Anyone interested in following up on this Mersenne find 216095: :razz:
[url]http://groups.yahoo.com/group/primenumbers/files/RMA/[/url]

TTn 2004-05-27 20:27

I'll be starting on the next general Mersenne prime, from here, for a little while to keep up my score. :blush: :redface:

TTn 2004-05-29 15:09

M31
 
16371 216098 is prime

TTn 2005-05-11 18:12

General Mersenne prime
 
55847 216100 is prime! :banana:
TTn

TTn 2005-05-16 17:28

GM
 
48609*2^216101-1
22311*2^216103-1
are prime!

Moving quickly!

TTn 2005-06-03 17:31

6213 216107 is prime!


Update of the sequence:
1 216091-1
62431 216093-1
97065 216095-1
16371 216098-1
55847 216100-1
48609 216101-1
22311 216103-1
6213 216107-1

TTn 2005-06-05 15:45

gm
 
20265 216109 is prime!


Update of the sequence:
1 216091-1
62431 216093-1
97065 216095-1
16371 216098-1
55847 216100-1
48609 216101-1
22311 216103-1
6213 216107-1
20265 216109-1

TTn 2005-06-18 15:50

M31
 
84415*2^216110-1
Yet another! :bounce:
That makes 6 in just over a month!

Update of the sequence:
1 216091-1
62431 216093-1
97065 216095-1
16371 216098-1
55847 216100-1
48609 216101-1
22311 216103-1
6213 216107-1
20265 216109-1
84415 216110-1

TTn 2005-06-23 23:18

correction/new
 
Correcting the last prime as k = 74697, instead of k = 84415.

And a new prime:
122649*2^216111-1

Update of the contiguous sequence:
1 216091-1
62431 216093-1
97065 216095-1
16371 216098-1
55847 216100-1
48609 216101-1
22311 216103-1
6213 216107-1
20265 216109-1
74697 216110-1
122649 216111-1


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