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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 #1100000008766976141 2,650 digits created 2026-04-21

Value

6467312671973977449835982664400268092101293720723890967529553126859259465883986355743923386881893347063449443728362595247131997915711680326585045740932791412452631953545090236223303702291021998057101966979932315652668073850174987587960638167626933680214402260699664444998143898385136516172133408802707146651931910595344465165888434178311487619308994969456336080055726786914768090523891804262439532810925477371266516999321253501079822188366442990796227622027212222122761354950244695789086011203120205895447112639661094524651282644974093071358162099845886726741555927781939241865691665799590765817639384672820193524621300829950303458440641144552033589368326242270131881215195792703550004365092384499703528327475969739681373234729789734467264116489778090631002828484750958012360773276264146289769050031571171302133713363456319267013185531604887710870302185477203492204892729311582199692763031755254581088539886927126049229012307381983793696182392824781193699709612416748967675475394655845947026060198238323729351001891732297268000760101712194457566548250257726285590895977796396839763495562818288340832016641919801730797770316593927798242517211098495152353983878290863539258096422542985406521682993922630522662206451034292216128962449169270355454223507923212461385806861435916334840927871019679690131663367048393178739538708706159535389725002400081058666280849931981144753401656660176311862433056308659081343234899468019101399407330249804574237438417409363244383674091073076839087257984604443123207378574279024818130668159686183830599414742495667970158367008845278212831428105342145205598358498906719589081667330018653344671576580883623132536203857628876592401334422486072879212944035617191230167009047578891287703118749524593771150668074943169317872109159661049819612989441601346767524462714546224970994516073042503006720609680861248271786860010738278252396981048066579879126242572253956429567320601171585994227609428473282181340127938999746487886678595379214970192291795429132622412917829500546055832604272488933990664312803484515156048071777654348829863917371275937957772664585348251328808802045789618848038707428436638303794505157705425007014853848232277166747022325043037281158669173712552326424876853720951951579432565583896884344214939066104140129329610936064256551324484018509730100294007096942367313316209677212879641018653427826319172054629029074168513923687296073951663008709316040591387983205748371103152896424214161514108015568040887498330369950863312425808544753278788059677158258869493366611570511832198202624645542398948062307225311751430417752794108204357587174335600299746466687258304996255865289734165325535736134352774313087749891291
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 3,113-digit prime (190 intermediate primes).

Certified number3,113-digit prime
Certificatedownload
Certificate chainshow step 33 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976141 --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":1100000008766976141},"decimal":true,"detail":2}}'