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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 #1100000009061620344 1,929 digits created 2026-08-09

Value

768795771318876480239538865230523983962710745121461642996613582741093822170419637933105674961021182747357185935297356434616421442233330462761060857008443839986143058796292900489977854682730272473675202992150681244578188627454691905168046661197814292251185931531594118229476638603863891528315218903691636567072922612619489767705122146971425458999461704416875289743612141178632552940276038410048913909484172558110464657601376002745130267828574765097742154578640731354688228911782333479575250452102528230681171497385119917277755597153140957362763184615144258847674713535511170739019188781388624755888889585420842395513240214011468692970597367854504360639756178755289282792146500295902304352225225390122217664032594173052846459014224286677251218218049878815242656225726332850082471978822435400090286923715271695106918921654402051184293094919861971832318260437453293608092842376083179236211872708588732036281206157818128264145081417635035627391167860773942243180126580481194227107820403955279172340175717800467280404239800835111435159134315013779518146799264912803391525043471586972823234728076387385818334300945910835450772515849555680454433340432974846587545323569338496950251943678651186547228233463597840225181307813316143465274614094204783434613436418843833224738168076791550592076516482670963320771161607439890832255529006045856431938506879083217539263524935611955115058599171898318207447618626015070607434660323116660999383737331172735927166049763635474609224552851332070404599617919872969279360186368681928124495940400767905679427886685256667943674157463235128572106854226140520820799129849166863293419347429740015839655404073940682409838408773305064022746897816986909273397600323563993117061816476003166734647275004858122283790857856541540310087899264402479202903883348901928287652253709465785206297509194122124253997586031273818923395709650284226312466121585391547180617748035334422935390852737657013793852069403656817445859
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 2,562-digit prime (190 intermediate primes).

Certified number2,562-digit prime
Certificatedownload
Certificate chainshow step 44 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061620344 --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":1100000009061620344},"decimal":true,"detail":2}}'