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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 #1100000009054573646 2,636 digits created 2026-08-07

Value

17628907916133097068861648737193218309529744572105608633987290098129557827070436138739763405944314604967367130232292591877486454684081775078752598407594233221449321925351624610100599134341158188066804492709478838160424874605311742226907783519913105151540617409985767223129158196958790673811705716683765011167744887797794608927477472480639366393165445207025137240134564262303881197102937371152010696389721887158814843229947504721412973475555999592442083985245586970205272717760815566864754988391603214985462645933794704266410241415632987255115671368879975161782170187515455913188080136192363038100395689889214592902168900682087370601843266218385847662455462674712967039331838143763431836988141959506742614553128359011501893525762004407021668592193571775484205414901418991251732966868517440445659443788381889470896758351025132622175243731721942253254806055164694817666156415934633882322449850282432164257377118963997761919540728956708222493477651436711338490131193146728260145351216942716781799001325696097719836548834670662641930700741329434771861118256125894230392562093010978403280254153646515474415075667195163095227491967067901825957179167196023186511884983828373706488048651320588319960681026862162533092279226419397875841030206877341406243573829809565645034009447222402864970510583083367686766220101775160308068992802054240299425021599664943106108535525577905534280496307796384202643962221866825539363462478548709591455474629281756760871555152815819647721883253999716859103775326644361658363671317679988806283165782764928777004412884402973987243888280438323952915771713872876428395959577968960209998213027351270918702879417395438764456934512489455197756026477339279296336901854886361608036842320552510045804721310530689801599678986936092018806046067680699182671318113436689491782256217553391236121870972910215647966229764357405025531765632322672270989344342503278057720279349375397196889215585164171265883922717820833289144615698164926046810669072149128546457835141691363415925851881949510531514654104225931856124934166220001387735479195127503929394424629795714305443167903196196117667286690104813022806287659458931100115446337694445185011979704074623914120215352646653168207269388748158714245013332072509702085995149601545334335975827315274245410475673939792849269960687391442670070668121755836161642297793073815747518297264989970378614797505797970014763096574437335913806373754210167899282392969692750444500091875067242645943518367722334365807238681694490618966427223557359824396483337335590998194199664797463033820465817274304242411137895026025529136554289288069010906224060596182307787328321738366256509705336385965139320904091
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 2,863-digit prime (220 intermediate primes).

Certified number2,863-digit prime
Certificatedownload
Certificate chainshow step 18 of 220

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054573646 --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":1100000009054573646},"decimal":true,"detail":2}}'