mersenneforum.org S/R Base 5 Primes reported in 2016
 Register FAQ Search Today's Posts Mark Forums Read

 2016-01-15, 00:59 #1 Joe O     Aug 2002 3·52·7 Posts S/R Base 5 Primes reported in 2016 rank prime digits who when comment 50 306398 · 5^2112410 - 1 1476517 L4274 Jan 2016
 2016-03-08, 18:23 #2 Joe O     Aug 2002 3·52·7 Posts rank prime digits who when 53 77072 · 52139921 + 1 1495746 L4340 Mar 2016
 2016-03-16, 21:33 #3 Joe O     Aug 2002 10158 Posts Aus_Karlos found the world record base 5 mega prime 92158*5^2145024+1. This prime is 1,499,313 digits long. This eliminates k=92158 from the base 5 Sierpinski problem, leaving 33 k's remaining. The base 5 Riesel problem has 77 k's remaining.
 2016-03-28, 15:00 #4 Joe O     Aug 2002 3·52·7 Posts rank prime digits who when 50 296024 · 5^2185270 - 1 1527444 L671 Mar 2016
 2016-06-04, 02:26 #5 Joe O     Aug 2002 3×52×7 Posts The 1,549,387 digit SR5 prime 53546*5^2216664-1 was discovered on May 30th.
 2016-08-21, 17:47 #6 Joe O     Aug 2002 3·52·7 Posts Congratulations to 288larsson for finding our 6th SR5 prime of the year, The prime 180062*5^2249192-1 eliminates k=180062 from the base 5 Riesel problem. 74 ks remain. This is largest known base 5 prime, and the 48th largest known prime overall.

 Similar Threads Thread Thread Starter Forum Replies Last Post Joe O Sierpinski/Riesel Base 5 3 2016-03-14 04:35 Joe O Sierpinski/Riesel Base 5 1 2016-03-14 04:30 Lennart Sierpinski/Riesel Base 5 15 2016-03-14 04:27 odicin Sierpinski/Riesel Base 5 16 2013-01-09 20:18 Joe O Sierpinski/Riesel Base 5 16 2011-12-05 09:17

All times are UTC. The time now is 17:01.

Wed Oct 21 17:01:21 UTC 2020 up 41 days, 14:12, 1 user, load averages: 1.95, 2.17, 2.01