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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 #1100000008655787650 5,318 digits created 2026-03-02

Value

18212427379861361367050358401417930683101438209823685828799884391571510582554215973774761739918515031978681159509333433021971696389307655226083949489865375394493855063310856551210561988351638055529600485242222549249232353201808856610892952920311308009019302863695919442489134933924563131553477845815934806763315079268627566087402116728937618022628302946714960195706771550695142077738567402510648537426032662519034144463219276608201376115382328103660038223688633901146144762129149204696278929781970149194037410544888025989647065499168694245779540837930683486258426059543328117799208932024871165669286840632419845775455950069770060544262275203879797735369003459667138016468152893596721627777255961994529348959459850217900424658398367644102136879806509665332205967428877740624250098109558704130755173315746572505848660003939642612656341332668525447640304787921266849395517342531842047266409718531481547150278076836377129949127091801854697469842640234968007208698278405158383250698415255710973306371291062097705088481432335561424919562831982013992102672119269231252851288244331248452810271702323939842123302256969132179166478615398882655566331241240516612967689805516856017572941392478776431762759603430609462577638144965419619131042919855480126017622047335426394629826217771683039286994397548407240811344257340213992223154012113499735138491621812328030078300243594415425610862779775354392198631716888654185111353709296807982581766287742723849981568077856977704742481881828824425875077691352905126320713063315086736362006770204998440791927196922070977336190306370036790190067549963156914144617868461901596079141995879673608939135133477266617858517732486483634031071353456906805233289533819860880537872884019813604166209076147449361815717635378214780986342994366972755507177987912088602115873461955399555654394563786223521651230927174168817908127385034323085343772887980632470008903547190187289278023297540598768354544379234690009449647668058118229303195540742131279919636518247168408676854399693919189157390232542593872466012416432216914701045908142778658156536413792988605896294992924977738944057391478669571931062512488582520411501259447433336361747454533110388456364070014426073467397833825975531673495189939846743879322955682705467156103826514195957450078616786962371861510777074703004277897613617128085428254175876310615160010460519083247801516520112310185843046299480971999533131537519247504495210780027311687701509777220645334001059875069202200910652955359304718046696175459861982639745042258210108130954038409389437744627882928405781331794779364071306729137707274966214403785651253469295811537128919836019788222020072415187840724497105953849471577765699152333096403061145792209546326344801618721148467616426413605949352952958335108530743678024892235317729273629266758544759815923435719957189830609252039802914710119025198198327405215720543010862931248216277375328455572486315822051105903955398839925021180421106137762450074172050286540875123777883742398532730373260046521430241130400240241380799723895447894409609279552623651367809752582916177584020926088643763006254676200878226470754088058877973732317620295327436103087421717319594441938294632543924605283160756928477346010948427773135002214475805720065417755892891251922625922724853352426757421266896943482256904498548438449704830331962845186735891625425731470780904222869355836008173482449742261300890969642509392729113086700438280629564300474353962036713599697606106714522783131449744002000437467909497772280135315196101532272776504039985144439358354854024503597762792639512061681927659461860480911587827933031705192042623370472227993887359029031283814800048142996142626074226249985966728413612599823999432808820988874688421003961634067537721071339646597489926485961795704624056910465247013281941723851566711352477076706215073460433604863050773728414118686395679210738878018629363393616645370910972721120399821005719472400491839744862421549090731067431159454587978671757197630854459546192864193620465726594338241778411844266906128635782978025258261808137397431074527136125426401265428136744325910754969481836105694412508383389354513164209910939355556762707144220023530647592701824130869360777299223715741474046928013865184494533758728552514363906174181474243317442589570479963917728000452541383175644002064833168681335661346252741418057998673811911262308052744109856732146815960269494563610773298022668766835151659866718789744008340135721032859374299385034974746891657512997512392074373591626815517465369185961282322205771270871047206691135492988911086924195753512408583749596086366909411347263354398212506336932533790140028039951742188152994953340687407731194542510688754782736624669829809110373145058883779371176507830256611087015867428350946558276804168971502628038869670053933745673249867280260653896085467260615058376920155388204925260162279901253751054356343122935990279754637836349375966105547052668731187080814387708352726823031578482232934891622228415173712276702294202976429282273711090388824294289637190055215461846257630173218678222246036592494907335273167688141238103898244978621273376369474849411125302198088477155153425573159377684883444972253529701432976100171484993567021291381597978724665863864951182837310807582058947627868915395927860375142177406540770879791022585068289033002915646000996701744807489608643516480038279771892517560720571747
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 6,194-digit prime (396 intermediate primes).

Certified number6,194-digit prime
Certificatedownload
Certificate chainshow step 59 of 396

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008655787650 --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":1100000008655787650},"decimal":true,"detail":2}}'