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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 #1100000008811241847 5,305 digits created 2026-05-17

Value

9742849565949681335002413373405963782555262655778660775655008338188210611672058520988830673095725129124971854303773999567029786177829518639989000656465244819828403824150617553092726792437143773058291041768716256715985025095491910324791445905294057556020141853849912532920956086255932718290717506607426847645407419923997884241363310230263975906548454858366419798545433393857239469308529345660663589951869827457179933607928319261527881137085392398499045054397598042214507763006615817266638867442217302987373043590878712522658161843987726117332077825666121668002996416807770536368162982930140711951940457388406447622998588478013572339295518868015300086038962692281686275477958464665414818962778821267814484261380260844558716284462399198121539627931423020539715906292658034864304270750875201088242307869127028092585574163871827835954381050726124025091572530309694291502991480311980846988254654028591595353460947356875412765652365885332141044983984595399830003683827317116233018615967912350291185866161638853201921788406595685976655713264184600287972560831749388442277327055957202511825028967468225360314022022098473398685953572137883892552410896916410089016155666070239302313818972392522219981607661787841577489291920686003760223922730601350727980459100681130456219338583478965352357132850689441861566087720003952681316995834931359752012205149842593253434063201713978701613984857887036991369773522243999926101766632092553290056695767713323589670486309464365321150692028661257952102747323293056041443855178391143636850401015103120714970487351176391310853425961443712633265858359088944093569781768646371963023685844696012761278679682948016323378074960656591349411966651550777453317555532637419455465467039234277847420222839644582340992228207326696664917134067577707319380181812673576473726487204439454736628214378307986404098371928272561575648986020525912336596362040104005268238146576640252949028118966065075584162430496426908135825976341997820058382306551552917800462094282150961316740584724633245708520362630446760773828296328849818970237695935890070760740899631739573156288060446065911177068175202832586208770640015297502470726918408941976258987342431401467078312869012011414706729631121514770995054598932139349200340540335204509562753333254354165906983163134238583075043443690040130318504343795711246963765859409577056232132973522321784049345077411651223263539513272522142769168174386613321865864877687373870243256310665941345411593949771544283791489757985138956319177791987451433642346073291121547710056030450155227081735270773129733183650472975945870911336704006348100282014761777094227351118682643551482323373401047485104361319464713874193298705882998337992927284083187770133685238213914895661435824643490802665688965792329791093079884895881176397686803950194328970853305454404182876530794518431788421230499680270655847143083614109654976624484249784034194874233026746949660189414151927455693427241995685551672581953637833919589580912124341749197427266745889329263674745783500254596939277733199447983469864521395326794429480286094822603609331365457655835204154637435927818217462452806209589836565333403329799920995735052305600920862879322421887301258650077188681244197916782836680160253222666493210320659184083455548681760156936967911822382309249873335979117565797334771970764162253147857778397356543554361018044697789747002764861743445104631089416044319602765713451854498310699484954456100784800342006020567818401039713609742911815163678741233543076901749693233933907889057832532204957331282210853321244918589330746442824573186077824465770642237201887631501710629476359788074467518032341153937350758169787871269704005178577807658629545589303782350740552062194263901427886340958335127315583929806700392872767086975140127759397252382876770581315839206011253840694284772005739795668954643801094945385184334510848527042329023111097371301774457350795141161709690445893418684526221734876748664819911263266142677609008021581889213955283692575023111891114975212340928301912068575882226102373846941703869688658166330912708699631358216127339011284030659143851935603768577492131654795146302919342552360537749027170824846156029626822518330510936657996471227499246342148054123263073300138162462204909874739923728798905198940872820982647734411536168542964094236596489884126159327073465904711890158342403201286593424026934108850846762679589386627973873768087198230055412568452377257026086529624464289847620608119911322414531317805658970171945459694217565117313049293683767089530534373208082097350067600666151102768996620111923548284541782091075384440185429603316873225906860535495804564808625053862522879587190021032199063246738484667396022317956867315117675309030575631372335245642342201382520662072734100916371216623039501477679331599604441790471969003240114258623024348905796583106286386099374793758885597116074297156353565303919549625197444972287584632088018672466579995374440768975067208383472482505297148661662116375402055107088188097036009908720531695552517209364183005121270863407454297555949889195192675247126260400390813579148287379550557747972746653492828684275287193086507720310836680824180331908732906010545050530719907413243986711101934724820409149319419671798062152147335035683984872555320699277894547647216268186226352341023814805660647396932359820636116878751334789330569187726294440893974812643117823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 5,567-digit prime (365 intermediate primes).

Certified number5,567-digit prime
Certificatedownload
Certificate chainshow step 23 of 365

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008811241847 --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":1100000008811241847},"decimal":true,"detail":2}}'