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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009043132588 1,146 digits created 2026-08-03

Value

121265106235648488184326792570542075874268691580129695552593395268558768870324449217058604793665532533584752883697120752270267769928350375862572652617975687082495727923753599402301682116182354715430937503664030840709840335522069812538869759823149813255001947486209504396560792262714848881074131146495655179073684167020787263198977809117232690425182575011665180011911336272742480637458581682449919141706546756584921636779090400000948639787983597961132726683782599754823652378794449570323731763330920940597688910254413049609775541186035739824814802765783265806607800078370808792095901751459985694747415880965561048679953658983451206073199797210177760229149738641879373170181862217724692427344261143140953877812141687651034077902214446999112519770069406001097707947376514310980614948319457473315869336837085108232551996893444832776950371318046754073409116047590949835494824069302483153450656337751634491944070562064071703541476627065749332217789903147977446156966619626850106383454091581297390116848180588579007325453418392891940712520798020385229811334992623831594539401650876449539906373654984161010194550411591996739503103921177870181870697268781
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 1,349-digit prime (109 intermediate primes).

Certified number1,349-digit prime
Certificatedownload
Certificate chainshow step 19 of 109

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043132588 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009043132588},"decimal":true,"detail":2}}'