On 5 October 2024, 19:55:34 UTC, PrimeGrid's Generalized Fermat Prime Search found the Mega Prime:
11937916^524288+1
The prime is 3,710,349 digits long and will enter “The Largest Known Primes Database” ranked 13th for Generalized Fermat primes and 88th overall.
The discovery was made by Murray Sondergard (Sondergard) of Canada using an NVIDIA GeForce GTX 1080 Ti in an Intel(R) Core(TM) i7-5960X @ 3.00GHz with 16GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 1 hour, 21 minutes to complete the probable prime (PRP) test using Genefer22. Murray Sondergard is a member of the Canada team.
The PRP was confirmed prime on 7 October 2024 by an AMD Ryzen 9 7950X3D @ 4.20GHz with 128GB RAM, running Debian 12.5. This computer took about 14 hours, 18 minutes to complete the primality test using LLR.
For more details, please see the official announcement.
On 12 August 2024, 06:10:14 UTC, PrimeGrid's Primorial Prime Search found the Primorial Prime:
6369619#+1
The prime is 2,765,105 digits long and will enter “The Largest Known Primes Database” ranked 1st for Primorial primes and 155th overall.
The discovery was made by Nick Merrylees (Nick) of Australia using an Intel(R) Core(TM) i9-9960X @ 3.10GHz with 64GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 5 hours, 55 minutes to complete the probable prime (PRP) test using PRST with 5 threads. Nick Merrylees is a member of BOINC@AUSTRALIA.
The PRP was confirmed prime on 15 August 2024 by an AMD Ryzen 9 7950X3D @ 4.20GHz with 128GB RAM, running Debian 12.5. This computer took about 3 days, 44 minutes to complete the primality test using PFGW with 4 threads.
For more details, please see the official announcement.
On 12 August 2024, 01:42:48 UTC, PrimeGrid's Primorial Prime Search found the Primorial Prime:
6354977#-1
The prime is 2,758,832 digits long and will enter “The Largest Known Primes Database” ranked 2nd for Primorial primes and 157th overall.
The discovery was made by Tom Greer (tng) of the United States using an AMD Ryzen 9 9950X @ 4.30GHz with 32GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 4 hours, 24 minutes to complete the probable prime (PRP) test using PRST with 4 threads. Tom Greer is a member of Antarctic Crunchers.
The PRP was confirmed prime on 17 August 2024 by an AMD Ryzen 9 7950X3D @ 4.20GHz with 128GB RAM, running Debian 12.5. This computer took about 5 days, 6 hours, 49 minutes to complete the primality test using PFGW with 4 threads.
For more details, please see the official announcement.
On 6 August 2024, 17:14:36 UTC, PrimeGrid's Primorial Prime Search found the Primorial Prime:
5256037#+1
The prime is 2,281,955 digits long and will enter “The Largest Known Primes Database” ranked 1st for Primorial primes and 210th overall.
The discovery was made by Itsuki Kadowaki (Su_Root@jisaku) of Japan using an AMD Ryzen 9 7950X3D @ 4.20GHz with 64GB RAM, running Microsoft Windows 11 Professional x64 Edition. This computer took about 2 hours, 47 minutes to complete the probable prime (PRP) test using PRST with 4 threads. Itsuki Kadowaki is a member of Team 2ch.
The PRP was confirmed prime on 9 August 2024 by an AMD Ryzen 9 7950X3D @ 4.20GHz with 128GB RAM, running Debian 12.5. This computer took about 3 days, 13 minutes to complete the primality test using PFGW with 4 threads.
For more details, please see the official announcement.
On 31 July 2024, 21:55:41 UTC, PrimeGrid's Primorial Prime Search found the Primorial Prime:
4778027#-1
The prime is 2,073,926 digits long and will enter “The Largest Known Primes Database” ranked 1st for Primorial primes and 257th overall.
The discovery was made by Kai Presler (Aperture_Science_Innovators) of Antarctica using an AMD EPYC 7662 64-Core Processor @ 2.0GHz with 64GB RAM, running Linux Mint 21.1. This computer took about 4 hours, 34 minutes to complete the probable prime (PRP) test using PRST. Kai Presler is a member of the [H]ard|OCP team.
The PRP was confirmed prime on 6 August 2024 by an AMD Ryzen 9 7950X3D @ 4.2GHz with 128GB RAM, running Debian 12.5. This computer took about 5 days, 9 hours, 22 minutes to complete the primality test using PGFW with 4 threads.
For more details, please see the official announcement.
