20110418, 05:33  #650 
May 2007
Kansas; USA
2×47×109 Posts 
1487*2^6984161 is prime
1917*2^6992811 is prime 1683*2^7016941 is prime 1505*2^7030561 is prime 1947*2^7031171 is prime 1695*2^7039151 is prime 1673*2^7049721 is prime 1627*2^7053131 is prime 1991*2^7062381 is prime 1629*2^7064611 is prime Last fiddled with by gd_barnes on 20110501 at 05:23 Reason: add primes 
20110502, 19:07  #651 
I quite division it
"Chris"
Feb 2005
England
31×67 Posts 
1715*2^7073981 is prime.

20110502, 21:36  #652 
May 2007
Kansas; USA
2·47·109 Posts 
1863*2^7075791 is prime
1689*2^7090681 is prime 1947*2^7092371 is prime Last fiddled with by gd_barnes on 20110505 at 07:37 Reason: add primes 
20110505, 12:22  #653 
I quite division it
"Chris"
Feb 2005
England
81D_{16} Posts 
1443*2^7093701 is prime.

20110507, 17:21  #654 
May 2007
Kansas; USA
2·47·109 Posts 
1839*2^7111731 is prime
1833*2^7112721 is prime 1545*2^7115701 is confirmed prime 1711*2^7121391 is prime 1425*2^7124391 is prime 1533*2^7137871 is prime 1415*2^7140581 is confirmed prime 1869*2^7166511 is prime 1583*2^7166621 is prime 1791*2^7179331 is prime 1977*2^7181011 is confirmed prime 1547*2^7193101 is prime 1977*2^7238201 is confirmed prime 1707*2^7240731 is prime Last fiddled with by gd_barnes on 20110527 at 22:04 Reason: add primes 
20110512, 18:14  #655 
Mar 2007
Austria
2×151 Posts 
1525*2^7003911 is prime

20110528, 23:37  #656 
I quite division it
"Chris"
Feb 2005
England
31×67 Posts 
1691*2^7246981 is prime.

20110601, 17:14  #657 
May 2007
Kansas; USA
2×47×109 Posts 
1673*2^7264421 is prime

20110603, 14:46  #658 
I quite division it
"Chris"
Feb 2005
England
31×67 Posts 
1937*2^7272081 is prime.

20110604, 05:28  #659 
May 2007
Kansas; USA
2806_{16} Posts 
1859*2^7274961 is prime

20110604, 16:24  #660 
I quite division it
"Chris"
Feb 2005
England
31×67 Posts 
1961*2^7276341 is prime.

Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Report top5000 primes here  gd_barnes  Conjectures 'R Us  880  20201125 11:34 
Report top5000 primes for all k<=1001  gd_barnes  No Prime Left Behind  1490  20201125 03:28 
All top 5000 primes will have the same number of digits in 2014 ;)  Batalov  Conjectures 'R Us  10  20130329 01:29 
Misc. reserves/statuses/primes for k>2000 & k=1003  gd_barnes  No Prime Left Behind  113  20090730 22:32 
Twenty Oldest Primes on Top 5000 List  masser  Lounge  9  20080827 12:31 