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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 #1100000009115537419 2,068 digits created 2026-08-28

Value

3806348819701484490911814956688000685511760951727504056941235529925414255073493892512470568404696451916317235606982077093218114670200074098170434332213314670032686785918278503059307326685895175416397443524860038803194205831839961602224978954689354916715285271651025974916779441747992911117669743670510829602297287722886268489596375890220580373688023991342413674927571905103958189529691741313873742894779880872672063213307080406480609892531826334817683305952213508375630327919987838124265815930712794779201184565530516687351371810608607065009958594569678239816452228197276988836034832062403293253122247698184800377796048155018956138993670787129562818388923914356777559917732671145751687145922510654599005727424605341068763405602562312619818725027802636516049004220068232885972751785897664583172733565171101535977395822700609864291538091647248226872071470335763930921450392112761032732556428315720538667422771565535515805438323888374398104731310211369410257526742841084244729205958017039266662888966461279383004237095639825650835534429128553147034828223227906958041419458288102255950625221605192954330090968286654071468042136229298109849837779749559567574537313136516057169778441587646535024443666290299713668636482072833927149294604103269733125675458045493454588373722633797459962010181724829878014346809529261725533413542927656655156800758005717351104516752493997167946479233352212949525798635849419303724156170346970217839690534974083878461935581967420813932045338198494309114229032304777187083245968675442733335642174515761295972881551569893854944141897150786678657223450373239915247511211352910396710574173868306526765378872330840457088256426893106078288449504839608712167825421006824401522415723012296639834656278976114510381861215386278167221662678024958517028634573887649205401856929264108347125153451659587849243461132187775682162355657783125622642519505533894596913124673342296653032614537457481580368850783031442736509257336177850504560403469527784150768371927313824409305811918962825606234675519964845056016723474910090522994157641237751516090034961354456987
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 3,016-digit prime (316 intermediate primes).

Certified number3,016-digit prime
Certificatedownload
Certificate chainshow step 89 of 316

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009115537419 --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":1100000009115537419},"decimal":true,"detail":2}}'