Prime95 29.8 B6 freeware

There are two ways to use this program. The automatic way uses a central server, which we call the PrimeNet server, to get work to do and report your results. Anyone with Internet access, including AOL, CompuServe, and dial-up ISP users should use this method. You do not need a permanent connection to the Internet.

Author Mersenne GIMPS
Released 2018-08-19
Filesize 6.7001953125 MB
Downloads 1674
OS Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64
Installation Instal And Uninstall
Keywords prime number, mersenne prime, find prime, mersenne, prime, number
Users' rating
(15 rating)
Our rating 5 freeware award
Prime95 - Freeware Download Notice

Prime95 Free Download - we do not host any Prime95 torrent files or links of Prime95 on rapidshare.com, depositfiles.com, megaupload.com etc. All Prime95 download links are direct Prime95 download from publisher site or their selected mirrors.

Prime95 freeware - The Latest User Reviews
Prime95 freeware - The Latest Versions History
29.8 B6 Sep 3, 2019 New Release Since GPUs are so much better at trial factoring than CPUs, benchmarking no longer times prime95's trial factoring by default. Two new benchmarking options are available: OnlyBenchThroughput and OnlyBenchMaxCPUs. See undoc.txt for details.
Slightly reduced the memory bandwidth requirements for several large FFTs. May lead to a very small speed increase for users testing 100 million digit numbers.
If running more than worker, prime95 looks for any sin/cos data that it can share among the workers. Depending on the FFT sizes you are running, this could lead to a very slight reduction in needed memory bandwidth.
Method for choosing the best FFT implementation changed. In previous versions, the FFT implementation that resulted in the fastest single worker timing was used. In this version the FFT implementation that had the best throughput was selected. For FMA3 FFTs I used a 4-core Skylake to measure best throughput. For AVX FFTs I used a 4-core Sandy Bridge to measure best throughput.
29.8 B1 Apr 8, 2019 New Release GIMPS has a new sub-project -- finding (probableprime Mersenne cofactors.
This sub-project has two parts: 1Running PRP tests, and 2Finding
additional factors. To support this new sub-project there are three
new work preferences: PRP on Mersenne cofactors, PRP double-checking on
29.7 B1 Mar 27, 2019 New Release GIMPS has a new sub-project -- finding (probableprime Mersenne cofactors.
This sub-project has two parts: 1Running PRP tests, and 2Finding
additional factors. To support this new sub-project there are three
new work preferences: PRP on Mersenne cofactors, PRP double-checking on

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