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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 #1100000009054058070 2,271 digits created 2026-08-07

Value

441557378545916311209579291141922682006074029470199493338326517689490304033567352100639184354956408311594009439265716571273714599869552862031580591789698148193014930990887996300959575818497579516043208441484577767004506914876740953728769963238119075473385923219463085745997514967373053678673447230334050493605598363308959417554938722893206628111350137592507107220853800342345601560754650972668173686496254508634814816102968107826657972436855792975296248895319149069376544886013587329262833652162459657704729107936852619962120359617753149551694823428572764278515591090532794656366448182668563545046539059885818098015356856591573379294868989484637562804324637489428987460318741888295795151669310842631527404342309836649140742447680927996909896120139568410259691274321165124875130290794226254406120210174964636535755896278067611597078612092502836354327134550649338360797773409209418709741364223065123561285717513274270551741136081606821206349663553838270766590944133180729807217101096196174864156106873857735925414400456370802979356154801287793441003178204969441825152585236479287263050830182472426357869675323801132375796761778051157445600270724737383364524465988453131572109685553108078279238075182868252427389866775687798420548291757421554905172281129947231526325824748190101815165441322667528767252482337889739645649947677387835079911192407381757075842902132921043484933223289141104268308670551084621098158046370003382501203527138645837007320484600134455182274200872871705845048114553706404988608229688191959661069386266129559074111629501616944374785033040602737246884024827004941271858327468110231130615065313741563172455567788324072572948061277684464527635475447907882430786833749407016108562460048446590986435430626158694963735555942844221745775021245772355666411155950119159090725525279013124094972975601656893241627494460664812204042249740218542324720249101904456955397095266747083605109090692368924664790562286823440912917021044732718693536311999305481339573363661349894248293684946423014609490732379045545768520224858044130212943887937426559334436839819579690434338304324890930681277461042164516946593932388252611994123450727589400607431320537144970551028229601360165599351470673089345954397393690968942469627471606827532023542334136345632822713965383543932946689
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 2,411-digit prime (182 intermediate primes).

Certified number2,411-digit prime
Certificatedownload
Certificate chainshow step 10 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054058070 --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":1100000009054058070},"decimal":true,"detail":2}}'