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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 #1100000008804977941 3,748 digits created 2026-05-13

Value

4891655787206849524338151781769881074146346000578158602927836967831005995209578784137151774166143379202739272442595317953392583247920390006241095321648898458581159076015166731755422042841235864803590543891136954985841999003795306829592659435565398184245717341009534366386363101050354355274571266546657802781652668294061309967793767712191636114769305543446451584720620076250022436609572770676847897626255119584308143700193388640569367159105702806077830440343910676377362911629197096540808861844001682296233976805067820664201788952705866527082778573481753821677205074243617136418483880758959574259826008706698438788176582398808897971374080720022707241783812047666523927986715810136727890857778525578813050995599564005006896968589279227098634440070888882691287972304626556538321817103831793324023158760352072181208726146831510489301557285065897018940638613519694492022529960273895851138909426062394077741418088328567563674721041566483963206425514580850879334561485166781452942573630115990464159505765147814528599212086843097769378162277285823470420846112740607437435977696106229276868525312847181260184343831132957002666995115808040909571048830015075472012286681155836230483848039594259045947795577872388048826727721749398190598624453817870349908282826824339117396613708250103303758074462296852385311969368816070240637273191940557569366894545912502211152825272795071387473210376257200274578866854606084541852194791659984656540101729131364264986794192901992133399765309739118049985768669092450285947027356104422294406032256461835764795824814704953812925692777503384135904755677990097092194214130665103256981615048938708536964550877628630445460105798823871204007436562784859351331009474542267146448649224246126854082374439760782314023763268974816404429446088992151449738301854747107930029862571194027207392826174703536580838230688262696659970760895139661113957145173406046756704054539171557379442163484575870960060318122584748784809844731585655736163014221903732941369304062447197763286637651728693115562080450650045822233856446258944523575018783784839237671659897148386928436214361530191983377154880983264002991367804004977681685370554373207897236317284914092012467594062718051487195868309201911651597861793196314225447001280603452041888794273413848542951572503665244178948443636477972352771827549520109297280220936274082137234364001457077204370970351879952875951400592255698699651013360569913240035622424429042713588289267040667297108857360879801436331530817722493163542645378958022937975653171687735622420147971648213934735364763540734447724529646183159386074992445474356049532726989374497717304932944931628283098365620578487589037274938147918798417559735971167293648774070910334785342187042392381139260881673396505924076451857367924140940416191684602077117026937326078510668565252134539309318793620591695419240583301069706926578078192573434574525991041692739467495287872911575795287226006661788970836408402163726969721325733646366187700258040240958977725698105931608909671786518467418529393417146483227498491468135624955704568717006230932696601446448281930694613695862854944310196124473127625752470310621970083808258158969478788452518365347471149760794720857440955709385759244578303116069304550860175670963790574680641916274947357554664209202971927073887340076067308522688020797150691947306603043898534329485631584450413002206476699803667180781813859218857043661625845551589270607538452336849328306829118234407902776503460136148189392524625152141443611032593722752248152655981903423002175820928699312314865430769258689605671210764647333129857512781600359831387690577930683042826921322594389556690216103232411846990148416849583262265631527286420075707534718260174310450870843412729234985779151894209743416739324696893387427305372292836294387353546489
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 4,708-digit prime (287 intermediate primes).

Certified number4,708-digit prime
Certificatedownload
Certificate chainshow step 63 of 287

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804977941 --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":1100000008804977941},"decimal":true,"detail":2}}'