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12121 Search
The 12121 Search is a Distributed computing project, which searches for primes of the form: 121 × 2n-1, it also searches for primes of 121 × 2n+1 after being a partner of PrimeGrid.
The 12121 site features a brilliant reservation system, which makes it easy to use PRPclient to reserve a testing number directly from the website.
Then this application will use LLR or PFGW to test this testing number and afterwards submit the result back via the website.
Results
The 12121 Search has currently 7 primes in the The Prime Pages, their largest number is 121 × 22033941-1 which weighs in at 612280 digits. This prime was found on 2006-01-28.
