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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 #1100000009126644096 2,490 digits created 2026-09-01

Value

171464400355377695144970400881039820027143480840376271140366401887334797025244122917705759408916487276036967295138441720279977364571239396167976982736025393949175690239030031634281072895593730364768757344260558368093973646557199759849598826001558446735179090299628817246895912675577887394926742324924577780955164103024156376334402434253226780092323218239698106235809649859861482328804881870884829139200777431205141667177248483357281260482004169119681395480170001864204721499022784620636278635616450532323034692148977985883131051709755625738330460266969048322251344188426126033125091250625119709929515626177278341117714334929804282783425530124754540910051718342917108747636233666495400797120098448993412946990253765088204043116205125406268540551546223521798506450749640580796393477293520527976893516418233981634131777977137399152836835640103860746202631311917631490318829841106165658213217044130768854637697692890402860184630414073187097887903098291676382084578230890383421339523457730579480675690919849052989415781981501145532626567851038628214252891400736945747574398687774359461409118196258721210746984134117791650216815216988287117621298648074427386412702098636623524117374004682856009116101637928447449151128383609938734346217698808474981220589310791649183192794904081780766937925618344523401685026197389602655870462625068301989077145449641584262213150821910730612606614690645180154319902249047329996078594849027410386073326418901974892075307800732124418867089622105072170567139716171340186802735198904705595544928384398667529255588700349944308799194087756329651387901580551320877081862815867216188275963074107686421463381402365782482513965092632002031673162474988410686728687835989998206724533741296327939588399364681607329615892548394752421602975251762379289747427666885903448361258007459079642045063961491517041852309569185560568740405118733868298899015899396347327710375704160678115777170787296036933883060424721231294082235220574708872699151591917073273268115597606659356487099316737619860282784776638744934544112362166563332545786097923892605730860181392317153756387375130759519103785625493007192340720126452932268175821350713444088152230154939263952142247294462061130939715165570437797560272499962003186510761596292643183064643917345421140904775739628729723601634751627754608593846891278961736749180482403648964215801974355883059661486420044261965743589621846262813840301824637388392355988189562506529007773227783250735019113223013436676116087046460631913561428293263273894560393
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 3,110-digit prime (313 intermediate primes).

Certified number3,110-digit prime
Certificatedownload
Certificate chainshow step 63 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126644096 --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":1100000009126644096},"decimal":true,"detail":2}}'