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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 #1100000009067938131 2,364 digits created 2026-08-10

Value

924034032029973975164346785055659758561456202583025564563146328080909134044653899961011166280215946618716904476521474227044933614380516349712603709793347663786785618321688922290242156492853404014538409238853988166420845752759585672126446170496715753146131423631073977290855658726523459986162313600131941120240003672694475831556535292918587345339138820856815285959623826330133452657158536288187880744071614468639747440235704377025767296604423887980647635945544764086970801380510245166711469887329026799885893794699921500281365243866067811552663179219205957682220041083746310753924373539830741580473187814541345032286478099278997093179627496237805873681919884955213885699544222894510147714098673314695996316581424378035661409990225656342389022083045633352918927030152915083750402406079567220362686882806310691112441724426569137180702447286479649281088742267547367875960676576530335528591104246522082853494508061046047260854668138413164667348419046605600547325229589867984508176031346851957219981650106186937146646954672220195988374277041976121685144411396639809684643764256468402853445730637374738733542688947313107527195582728047561074699085765524874494871209219417730842611729901903578359381698798630344662812490601046096163765454103960460156785341538201373324810913803140928603367809557115300573398596654507038678767931635851492130638672484201197480601486160638647058870675992148644627787285750446495198158374214423848495187557210324731671301301813363439398800967723688824939835384554636100699882583278363132762408714641306199447313994592697224034180591283489590181678582352974197181007955568593006632962662962190927727721511805900178479023517745359572853587152859960605014250055118748758348867199276526563053961237604058729174904596169995752332317007190557277140064426137256874065733916386204002378515591420546584652818237720640541320847408151165232837651709513402791290316050943919750902233392929527974575208529100477029506259314263871848110025930376302962326160231770482670822904577501132879959973198613620327874271013217155407406354343470137811148014816195847943747739673354120705445831489021007244106509142754595819675065075144699815353839111952141168345997848545282703513710203223565955440854197757343694859411962512824554302633734070050403770569437164861077217310338746692189307039455678141238587227534494138674065842251832851484588295271774624704909145771
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 2,638-digit prime (209 intermediate primes).

Certified number2,638-digit prime
Certificatedownload
Certificate chainshow step 22 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067938131 --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":1100000009067938131},"decimal":true,"detail":2}}'