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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 #1100000000685811974 3,783 digits created before Nov 2018

Value

801689120499557785544001145416568385406028231923306818269304148674174910393669121858249761165250877652479423963067646646736792534380040873087887741462292793034689897267272795712635226603344321304779093223701761031663413669680772368100997725439274228108655815118533942795878449764972516892616138947223506661161240011552787865389037035354462578351010137089747184282681633939682418438349601946655397404945149877345022550073002915598326230740399255473610522590663951857269767404453357172062260869947025828234347871428630502919069038100755119767571491956446926592196585226921001106415277128438072735414020078386092661732837657672664464464521412578015720720065258762464830692842150600658264327005411620599139203040383101813005783807654028414784097262481584248694732830224024494360922920095099315742308748271462323802980552474843036478726485245521853869651867481338904304042452306746984408884847936136696865821644878897328506981204459078642781534809257737944318054334579504340134508445649509210635731660735967647780696314504198681043709153051204838111081876850447950886198380607458170532599294351626435644653840167407142026018128520336424999341781031036570088745294061382958323731202765943591697671908357317392188304376680878837746880993903936760596645149135828066469176718235249821904368488158196689950145951491794390611348125391399731282660382035814983453711033904941384029183957455499288286470115606819672736999202488255164234999287616189884052697459359821742386312373322597418385728311113282827799677746383833028304730341764576700882991611588417493298507754560729440978298507206110804630476222353840882144001421615061223028217165821540275955759086624542887492860029884132468512718353361139085883663658746964550492075671654911026156445152927369536573180278577369129848746072363629010103072581168704384151251324762251989447263176742254608431915799447770337783323749254643819497282126298450151553983498682977019538624138752824113748971318871142096750727469601493777503487862695832496771524067946301214191036948805436154469229064132102266103759660028146159527043861534780393800803275993645852077165542862359780074439791546692848764008300426911191339586066061026008909109663663220322120534276570144617266784837220079074417871639290270688119141602585096760728302439761507451502950281250829227742165704241942404113851984625101917841704454142621584896883840033076157647728406621078800582382809722703001761875191511134000380230235413725006308984956976602510389268303465232404260806645355330060018884678512228048381824992749256807341943537433896042719024541639026176463602262543911243141270592269966585534194817454375324166212826824322992338077641070792255543709200401096671076014340717203853599564427327361455742255679207483426095409994925756828631999639782692719939542274386144785006594551285819542254005250133643250740334795616280166188399540109461698041403944607326201322246232829821089159520373181424203904797361612125318034414577880422099381995376450953014032504554201755209825313287057664219853597762896586986383327196988899939406456463888366498403334819910697256210702429317718749056553571596309987403299601782956263795431940669538057122702957892774296786621848522233180014446365990419572209133972718479858010516089660784124779547954230758303809249116973034710873903559271584562903973249312176171956838969754670738507920897087772134464900856167321555322855481235129447603003381203569200370473933926232858809077625110177364074295180451014092909582457912000815467517952563330720307947374687079690915532773386191416235670833696926495541794998052708269722649185440363706166278264489887588919434402346757557430983932705139812971190744400153557327840052366209620967570659263684241417375280978698940293334898041556628786757685675711479476214278847729177573517460862268563384134971097821690002761
term (403^1453-1)/402
8016891204…61<3783>
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (3,783 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byRichD

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000000685811974 --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":1100000000685811974},"decimal":true,"detail":2}}'