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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 #1100000008799243202 3,871 digits created 2026-05-10

Value

1589582219298092430312566472726553390621897702741373974995232980547484212777864908980953230578084483822476821990456708114559645218890567298982492435008392439767164280919721472367493752058683816706772106468856416057683405594492134574122081869629557126111697691384405997155188220712468554442599857678700952620367213709847839838395233667804680336264439417190467421251673450704417798104265543959834708539234506438739577990002090496212314856107514690280654969174123267016970353363006538388581167802747303952428385607520395721929071499861443702761120342065449257147069348874851828985321394556930306251002920938890577603576610309050051924053691718351641402534659182117375146045928922694820445693187891498779176064327749111775536684526480706382541692682812848081693960837354696615446417778614626851860683804814528923079120276820872829360544524853501277395382477779973638751830567057511103959127598374232016828257454885578295441848209842576073106376601961251943086026428450452553668165160294664231573053754328762616543748460581441174929182846287502105717056809238056487663074695501129644670904057693496397464956046527831907525637917188979976011443557374502108843251249247489925287425547454923817390855682215727127809069870438689682527699801929205514196518090125633662328799374098370740151269938878317662713298371496903207603172611361295510084063083077050799960477342346120530429526690453735759221752050159035900662672722718698656191997851318323411057243911055920844089231067266343457778476851611542178487538291684846280707226613688514081820877406698662026026284885660034316269607957025910802854748125646864869463607983797043306534203655443933046611608978610225171138798385837574292022208494648295265768174891761708729987292637895408328461778813780901314834229154976435107077980169062590237124777586066108349751322302387456103742706796486655530810983092519837424612283120679585504661719583299393451967383034750561045157078942703382026139071320675079411288975887109599392556038205277420837712201259082479595997806972801180944465371005403827187556533678757241391286395622246074028301987341318804820122255970277242159968296819130964177267983069294770900147512238464897864868038973725178238530079954374437807257971241284431852702941160012888944599919207900229965065985917363085335746981128177933804797530467532083801480128080813372967496951539775436779871877337465168513389083015280657371050341123316309514863329511729562567962355055198098224583927359610330421634995343541037035669668359833670268397405945743518923119000588764803359665365880888295259195831423577613793719321456291424057312474224625251999597607821192473004947229495293073275314465660948990304791162950410533349030740341463716478463095620800008870311779412528371408190358342122796210994153383791589867157377337700644617701322119741306362978435698298837951773152668346829133661428885594433694556776334806042464832963286715837667215257489782368493552796383153454302756081144624721315246651101762489492798947313797615182871136717409087728125364228999285792004821345485078700760029636361310420054033381249404766922690335014716032272851768776503050104205913797300971522472020143777783758468184701244048824134825649363703439682053275579396829876796181672179559444368228255701768856537873570686937196090835783469838961397699361864353070017911714826569067726528187444989985692188984343387241143685641261777101808616927750953471575641528886283671900266254895953222355614905441923905420285986111958406110374654711817607961208237630636313593273095777268693320688391628784318427838379679061290028644677973952950457542334275583753144718054036009969991778743114504432950375106293540655993260314741572097273631190089662397357195647526965699379347103217035278759404663441111297108743163783205767058568409427413423322205806324323359477371716069581816036926683462859480119002829705354746873933517588524360834102789364880164918174202621483
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 3,883-digit prime (240 intermediate primes).

Certified number3,883-digit prime
Certificatedownload
Certificate chainshow step 2 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008799243202 --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":1100000008799243202},"decimal":true,"detail":2}}'