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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 #1100000009122012643 2,971 digits created 2026-08-30

Value

1619904510319399800685421697216825096974872846339880451149452658954156547189015157843933379693884515217821886563466689711184257573386910286346582084442988676376510895571144499674369636366072889577382268054916100440056097998567575341462839032467246824257744929298394275133060862661231016495973560833718721222280063515201730365814869265306509319692286814036621646242782939446352257841584401880375720515466144667616169114034068477500011740559013386861858463059086464469380254021970921079900558374735626759572364128105494159233274535634657699999355437305392927789133833771883089915276745957359252087316871531168551763359956919529198094811764587440636710231080460885930998594603021688426491797052407808873069328404608699387735675833078554922643824441519854460556956319678333468364494449690037348134545787313013050573196817261225240196666925727662852431838815488351729484853828024942209594962325897412902134229582373413271133473462362862933866615187708565320764420971536470317662486544354274163180909435009314523561728687166184426781619332709726496582367222691397693715996461600494599051222841754084190520681568909022159433211184835635419854059135683836690318485069216745859306045788177157893688623752372498242643672892831264419158909035655852517064103828216310788650583382805492308611610880509024644861299460512840149234100522787611938830545640804569237185900853753430947020535055718299822579111033752872605194123706790459459936447920720555745089877033612868280798762739483637493046401134116902799702652522071251775239617135073739244065594918514709973836994944323703424735737964993767684789131655235043533282739043324384565330582928768184184134410645879298661925679991273767240280938759988338688670035999547999493853631194032790625967128839603094758813088346369421600349403436475966490012988661957948459024872713007834800709585084732116151468910915062355807850541186068906296735998630884816894400505475570546627060167585015752604445652064235393799665903077244771994234152395940656813071719251746279518059041548588471328865641903080055170092245629977080093634003817603597300862497106045883377131757892975861831735378327138963834141719614399915963999993461268018051927681851791620511370755493677457604465738534914856536064183817945710907493099217835886857408841631096856565815485626138687462359241473963095556492545884252313446708702947160156776140465814318626147168165898163687841389886476899462743179298817819711582432731464037913926180990158047134388452789952542458698094151433390633926359302791256598554339714867797634007078759717037675970189064597572610032352174446534230785917366583367013245953468370408230755918532802475789610270731916556086001798225490024565278160264249631452051548256675194804170355214531077914501638545719469565369291885656143227056456312912270389281332207473040273959852435813320380361768449645921513419848361589189875908467020545339750559923683919453179253351204925820504564163173930324392882948803463996247453472712026978285235220345266299661170869
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 3,051-digit prime (309 intermediate primes).

Certified number3,051-digit prime
Certificatedownload
Certificate chainshow step 7 of 309

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122012643 --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":1100000009122012643},"decimal":true,"detail":2}}'