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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 #1100000009057768787 2,426 digits created 2026-08-08

Value

48326087690321494040531416352641138133934826672381206002033420721790001325294053961782546036727984120943984745732309630058689145712694385066310004725603006078501478876135388251217907949652451568782653864225891942223594749107951406426540013346006153700931511674301203045177198688111819862156778814986042966499071800273882490806506953415992479373880619372165202546114397201422273770014694255210072412606431126559514821537913689830715950445491363098968643283381781914656778471563297963161661473744154682232671397745252814332990631461529493186141845052678092601605346625630123209137304539993720253803341884249818671328983863551295778191475917339355324187898610206556063044875754390820028564111824464306924790980565989142966678844026962422997176795117745062455254784546579720889184758177788346119012470642452362953276484677141496962407012315410960792507498370270016769427887393753565272781719019746133076282729119023027558770369977385777469526807945841494938153328589241928724459359668371647229569915632768237191105013245367265598232214281734462854869016041318549904650724923487983513788514301251714117917316593136912580037631179913780775339015433052650534995235126248978081610979849938621368534044824894941681094783748528101113865854867250074986439460209002012471904516335672027287266059648347522922964298604474553868603054589807839055293887718155476580418728633271583190681860835420015982368345343705788084756227561196060894187657227690956948250128262858039384814268775099922219250996148079925443499259336582899530342476281353003819315138888391370071217939131357736080629426390190706078806754590625579401427763050013024513485368011033002011439780923077399256973273451398075999990179297048517915218636567665580977838295118017776109364763310366068098573846002826337438926684752252480068061435121770612538863978764409511041930386184831508663347154674957322638500914042668370461782114625811151279584383092605625468547879818586494128848831542689179453312972201072875887329800826950458024966690144604782629620240302104164042366513678887152428869389689277495108155708805378106892412073893597358724267759115055167787530493333961753005923832711037027214416190894538920390626224455530223006564903539704969918849816365932475620413461620731989418357942991908035396117776842413846492600702230677381616565962843901920279688481343446445820127312812199624869478908439000097462185041554570021382902188515245136264420778722004295994029094954305971
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 2,889-digit prime (198 intermediate primes).

Certified number2,889-digit prime
Certificatedownload
Certificate chainshow step 31 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057768787 --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":1100000009057768787},"decimal":true,"detail":2}}'