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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 #1100000008804977978 3,232 digits created 2026-05-13

Value

9756490155987497324020427595182909697714146346865044554195192657712050289953260706640087049891829359010426962820572948953348013216618843322646689170670177625407261558122043361280483308518096041108718691091321150236436393620295384500416103889126731234782532787882050730134486825286780436302301748119998122525709350525437571255731579863192663996019526081169271093726803497466788192574204940355162138849124439379911293848343831501147028651802233280785739682359131245166900490584483156433264815464742007891291541606609874435895060954193232288590278804326689890035342491600031193906912462254566078898711462861318057083156992242395535877505694197889392646472862646394252176028442442427656836571997313871229191123996451500287450343040942363573065262735766006668579192329943070647245464745714061114701922351999157394656297278432187195527103424267868346733878607061320813062094627467729471800237995065985458891441433360828636216269906614342167982142921749987585759382935464620552292244318533266575299322276120320837418451993776511342854118226778972319139677581701871174810298189069616994168237267389100655441504940136124856421657053736230651794603554760477842239457595687304253834251747195709362268990544108575505203340549704437638981136064090097115499548695704043318894868575335277296273535772627341738529325425396879078964074186197075025113500906440338913113078049683874921947850454027281476203109149098168258512030309094863927529159693319754055707932478319638648744663932639396887686532670918914208477429098588586261608463178085822702690800615752321307712408202951449764087557617848497221558024268110976720487440429557216783395386175911746159696517002791982500359342371700857659829372232166193941092264732774716483368959490665658748577917415063457460625465513077356880968948452497497758572916086624867152641771404562166909130957744420016374572482737721568484635442011153489690141852427765985795561204488717323732477619461658928917172288879597614977094014412416602565478671918180919754797969311141726049916630016834775614015559091334723022757679136837090036049502988444022829357360713954432445593704912797592982643239213878121396746988337014567019153077147378689014213578516017153630825789366034816317038947536667933103788812396058985612794374880177526849409250900542553209814980352031627525311461934373009854277944426684815352099263142955907503631938883849299628330789495637470802622337909733932409639478340414480213681984567872750381681250073724841694458151140682053534999711467920592801158960172747980069725503922352263161087617014602323020570265340189004569942536165869047213906107174711950215428992639848299133880002345097670421937463258977366135130492238099591688103417189671611863267964756606524934637981801742657636182349977841109640489014431471233443964618538342861079300462265785074453904043681217740998157679624927743049104119769937607551060374114033784071004256163439489585607018636060987575867665508072709514516239593136285663995364991597405657669727089113501083003356777090709694818811163366661548690267929311570495239606968694376803246759619076719799772419922666427287349469600872726140882401400125443859989168575282296561583040136915007113626690364499183750153721198054919906128826227936603578014277498791951371807639143959
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 94 of the certificate chain of a 4,708-digit prime (287 intermediate primes).

Certified number4,708-digit prime
Certificatedownload
Certificate chainshow step 94 of 287

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804977978 --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":1100000008804977978},"decimal":true,"detail":2}}'