AMDave
04-24-2024, 07:11 AM
GFN 19 Found!
On 13 April 2024, 03:42:53 UTC, PrimeGrid's Generalized Fermat Prime Search found the Mega Prime:8630170^524288+1 (https://t5k.org/primes/page.php?id=137963)The prime is 3,636,472 digits long and will enter ?The Largest Known Primes Database? (https://t5k.org/primes) ranked 11th for Generalized Fermat primes and 83rd overall.The discovery was made by Antonio Lucendo (Trotador (https://www.primegrid.com/show_user.php?userid=126584)) of Spain using a dual CPU AMD EPYC 7B13 64-Core Processor @ 2.20GHz with 173GB RAM, running Ubuntu 22.04.3 LTS. This computer took about 4 hours, 45 minutes to complete the probable prime (PRP) test using Genefer22. Antonio Lucendo is a member of the XtremeSystems (https://www.primegrid.com/team_display.php?teamid=310) team.The PRP was confirmed prime on 14 April 2024 by an AMD Ryzen 9 7950X3D @ 4.2GHz, running Debian 12.5. This computer took about 26 hours, 11 minutes to complete the primality test using LLR.For more details, please see the official announcement (https://www.primegrid.com/download/GFN-8630170_524288.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=10539)
On 13 April 2024, 03:42:53 UTC, PrimeGrid's Generalized Fermat Prime Search found the Mega Prime:8630170^524288+1 (https://t5k.org/primes/page.php?id=137963)The prime is 3,636,472 digits long and will enter ?The Largest Known Primes Database? (https://t5k.org/primes) ranked 11th for Generalized Fermat primes and 83rd overall.The discovery was made by Antonio Lucendo (Trotador (https://www.primegrid.com/show_user.php?userid=126584)) of Spain using a dual CPU AMD EPYC 7B13 64-Core Processor @ 2.20GHz with 173GB RAM, running Ubuntu 22.04.3 LTS. This computer took about 4 hours, 45 minutes to complete the probable prime (PRP) test using Genefer22. Antonio Lucendo is a member of the XtremeSystems (https://www.primegrid.com/team_display.php?teamid=310) team.The PRP was confirmed prime on 14 April 2024 by an AMD Ryzen 9 7950X3D @ 4.2GHz, running Debian 12.5. This computer took about 26 hours, 11 minutes to complete the primality test using LLR.For more details, please see the official announcement (https://www.primegrid.com/download/GFN-8630170_524288.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=10539)