PDA

View Full Version : PrimeGrid News



AMDave
12-07-2021, 05:29 PM
PRS Prime Find!
On 18 September 2021, 06:50:25 UTC, PrimeGrid?s Primorial Prime Search, through PRPNet found the mega prime:3267113#-1 (http://primes.utm.edu/primes/page.php?id=132758)The prime is 1,418,398 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 1st for Primorial primes and 286th overall. The discovery was made by James Winskill (Aeneas (https://www.primegrid.com/show_user.php?userid=50189)) of New Zealand using an Intel(R) Xeon(R) W-2125 CPU @ 4.00GHz with 64GB RAM running Windows 10. This computer took 20 hours 32 minutes to complete the prp test using pfgw64. James Winskill is a member of the PrimeSearchTeam (https://www.primegrid.com/team_display.php?teamid=696). The prp was verified on 26 September 2021, 01:56:46 UTC by an Intel i7-7700K @ 4.2 GHz with 16 GB RAM, running Gentoo/Linux. This computer took a little over 5 days 8 hours 38 minutes to verify primality of the prp using pfgw64.For more details, please see the official announcement (http://www.primegrid.com/download/prs-3267113.pdf).

More... (http://www.primegrid.com/forum_thread.php?id=9811)