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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 #1100000008804977936 3,859 digits created 2026-05-13

Value

1955440813241997921223751096157078514405564278464161329530088366629196714648168152946575938794816547685984966389887015078148080974672196861410546233881824831564343758142356352196171918461844921129179173427394486876430490030932857544694264444018531651822942759558127197960640323615645389703309565368556822151153794549915409593878361777776344876268220739736611741169285168923004450750933717140284775556513766950101209075893815794110473594033711928527120401616162065797091442721041967906206972662373260911926206514336867659086928358931584144113640248233748846256985043141139143116502232555291112919559667993775659505786070920504892759741336802744389431742259521276519761877730567039589532034597516464719848852022121480720442915192052694875543807994641538555673448262818835360595905210179378100171252603451929674847195784833101435307752400455962909816992138490547417027716589997658938112342925013533961295141343875285759331361217155151149238052748874965711729463944157882282182084358877628937412671686685728194762609871634871978675502323130836949647764990876941009830881689741315656338763662804815132010522848456241240859158005431442494166761109293448164353776586363871316980600684100166251768630514726409935446659190237062286607251998745078278618075704238390788106771776196458619988347414721844645370567815663674194113146159247766956539582042264540052403977461818636023966663251366385275486283136085584643753978816607632806262100863904509757771359444531372586861344857080872260847399257623180985892573062596399743333925514861350217279960426605632485265037661385665367109194772514167591637723442458588039435343953894515683471799821250218099594039933673273284699615185201395075351631989049480429810035089676237229839161740360420542522338852595284973242688594855446752923011333307101485065261704175643362726858804713301192700363647280052602129135428474660665800818066732622018558898376937321260246434596723026103735146698284411918114223550149961231906254705274583409310485005120507609451324573424229663201530229295201204829034690087030496543910531657377895152454350718526200166342400533417128643448332675065537868233309231831993800872907046563824551024173695176630562689694551543602176734389696660012588093139036762094788230851603395717356975449081013405719718841702249732699809159475476741989141199272380947574099882860423715888272661861978797024177149083169898017202523716865926985738195516570244128449109724058612955860256874072289486481418690444106782099058047200307346193122166750050893342383398604885340141713319127160192937201999909150172038814082195955061975573957770972485118029327834985220521496272033492243791916356983750608041853315853729872586831499168089310311848143257294641639630603904426172751186986081997500208680428678025467805834018171700167062781916708900036958863307479912512490026597688027162312465536816294833201388164493552640348507880375768118029542746469129421025465956065489108583016124606173338382137126980748549614272209085313177445588505129594605414556843088670201066953254472708940822474716766215384345065563297119524335133662027439397747604355469750773416775871293990474144350285677933739963560424745215285496341500207713197217338557664864425476800113499557211099378501697558312775364735645259354812560764752612388694195938846577716178126936534953895983539327212658800876738730894415894371386432268541440909973141102559856257128025280980570818691380377103687275089629054390181624777052471746051695556721954377178051704648591607075863947732890444456687496426361302138796862624179717811775573291607560746183371243579863314873277699161892577382811621169238388392931531058462783463036353728809399463932736841381756659082249063898851278254777029930119196283850971916110818087235939262014585344466018180814116328251532115842146756976143792586295579153963004630229590123244544283783843601494049269459698019903379948500976162261874888235557
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 4,708-digit prime (287 intermediate primes).

Certified number4,708-digit prime
Certificatedownload
Certificate chainshow step 58 of 287

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804977936 --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":1100000008804977936},"decimal":true,"detail":2}}'