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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 #1100000010589200890 2,260 digits created 2026-10-06

Value

6671278003131825538202687039861127813571459345784387027616333264581433236391812078042577995563662953500469252269208681972750117991749484469275049270866546126696617679745700318651103853937719730000327299854173291429245296317770924200257153962462632993206690836189067957869091084142959317911627833449282119003539222885765611091905421653979208634194265376442552816108245841286098380844550089888518447368347895582972920361811390632257223496144235708746172709207132090989869635365206644422226944642476638159113024111925716938348576041897666120481675228247325640787131406909048452069534962945627334513859709789131098121442425762038331683631536652150873164015716071980103680030182154718963042135165421204686680683773127475738933234427683507070008887499884355462587750020837200749550458250471846315333617935498124660551475735884011215820978787196076908868193720841033991011838499460968649576951437621774262307066180340148815819688915021787867976915928169868464763850684576721235605124865562284895139083632079656101369317267607049976966412605647529197535530038773320300627722525694217054711953439122415677544802631088248911627660414647344927396625694585893541502102601153361565976216386947250359491152415296823668914923289058227000854756115005450866876892697964959705965145420759311007264880885688004460748952830000151262786627480838075607320234037524417023335192117982969700991071405313099131383793864471025206615373170203852647463996721360874245080870745710449871441844641812858169060304133633481255138108663841748153884189892740003464516923163887760088315679443527607367397508991265626040867682788987182586913462820168779670638195192017198389178447893387875175488606600792799223331739523334858241691285612419766414839851449569430468613343875962290913600485580901441874023746197389410772210743927016545042353666710299657000656288741936518885065713813361195608022839956771474885941786060804969887626703013427486911059385612790309453066351365082048987432951083947098473062416043809226006933423145650751505797185369562023807983497328247864373322622630361587262138690689047376887980084096843663287611618226678868252842364668320458704059748535397314527845779332499260110664690882711070256396409399087107573484893414473094281114285695567095111167872837297036297422986440721
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 3,195-digit prime (326 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 86 of 326

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010589200890 --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":1100000010589200890},"decimal":true,"detail":2}}'