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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 #1100000009063550356 2,123 digits created 2026-08-09

Value

74142648609516773202938423102352393414186925872500680914010872204186899915054279786232266004208582853031060133152280207203148369679537371388251400638362644309264428572827693452087849842562874583561106088415235638521612897004546681440223259222642313850769850728859958096274675510557029838558126731240089807680728209209880832506261455062030770824143941130170724788630995357537189973878738179135948032037603657396406320875818314082578676195796702652868402249799449370589945752914181570220365313951711072566094624250839217087829748418822827217131251784317493171852625100672194507171124961826902779717101989116456185115544260076129707963279041847526854704664783966809522477696411466572145277359886770512702775625472448500443889040002479836856830698254952815634143205419917036729779937345207480834893554211906460009283979198243347131642304271548571882390530659106416335336690250415048845259938299683648363877008597459785507833820379031935538720900690160102251111384344859850214598786252590168242419006730237118669960576462967228993115746051509397579747575250753045107324301338533673393529407571815579398331476875281952786270828546725010472163190518106967410120909255391235508886970587452015209559554246981642740085100761710188610883230633287106841483355187953685339894304408179407571846380335986883444258037407778001496126253337718871641478273339228318505279846856551863388017799313667143540432175367147352117802075674903008516543723225556259204332136492368970757479887040938640676795360574104989893181530483393981217048395323488964369535805302501154861039116993564839122875770137016267720160901251308055897262985639922545168757469737871266450136728072504315103781939290223053567885952616538235512536649522631556521338203913394515155925973264417540959497757848354287163497900398045253003354967387652842565370507618956415831767523199622554904585055510585226077669012197886720222437354308224828365215518431199041929127774490930871883609176970737934645697683422436867926570309943169213796974759814815729842720224244254621979243944603149998060401368708501637669310087802732858400581018459054065975082958303232389898607764248531924447
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 2,626-digit prime (196 intermediate primes).

Certified number2,626-digit prime
Certificatedownload
Certificate chainshow step 37 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063550356 --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":1100000009063550356},"decimal":true,"detail":2}}'