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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 #1100000008676271723 2,338 digits created 2026-03-10

Value

9574289207337111087361259218260452050270111864250875407968832872493303648773922323767696416433957517311210790024093189551775599133952299630298204677673417420768645253419028518594980909242990687172515092766611503767939261078427530568743271538321681373284428020474579468016751261469495182001641886728055721883708964963774772092017157946520609813154712124106456665836775810947895563756621859549044263581493741515798130784847384849794912047298008136340912277550955408760450731407335319652274830515440791190495076167366286332935422736354775487844695947892240680302087622276900313763531247821703685486480941023063443721872712673032395107814251395972106012360079763326722227416815764146735796178440641081350543208322194735397736782654206053282628334240010593748174073059925245305208249117782917126402047843655421065302898574127597496488198016118691527236506802775589212665922918402844723194450472439917817313065025915497744526258970822265379275087031404356342594107470138746901047016973026918711863230077539256391297907434550410131847000746947900008376376511294362704604272453721271349323874396073172855732369463741560206454644250313917296872936784492114014244970940460448378599281898220559007957934362615797588817353474847943738981130851367763984791197326105729911301536868179916521962712608666304120173479687783911240011097642134537208539345198095832494648842549100129251354821810013359423746210183004413272160084776751753357947410134389370585790857155560603543414741613900042576803854095179409847625316700474151316589599310189755938155696429649982189318771094164848322506897972309339508461932770926756636031546930922923738417140373533728697744659732277887243893404597921906948773608649873049145829736219251353734685804541528512642270684974650744501897059442005258145067048926342558885880208962743761582877743356555969463100811830288538706903761257364498750580196448193782403536587007088509050781792534278905546620924536701531553412574726704712804004564444844179956178965466640802486496887846458557425863193384236374594463643317155903187262458257750547465654608830846537456616880358636492639033417193750343132398381251799996530414399944497033114168100636741735791813817785806428415622626365294588841600209175044053114726751249276488990080236211902259540684581508859666184290360196578574951028976413625881927724447119380371175044771240879233729
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 2,915-digit prime (222 intermediate primes).

Certified number2,915-digit prime
Certificatedownload
Certificate chainshow step 48 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676271723 --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":1100000008676271723},"decimal":true,"detail":2}}'