factordbrpc · fdb
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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 #1100000009122750872 1,801 digits created 2026-08-30

Value

2230109043234380062647972397858426287874435599469465181503949110361984704152563509583514338826608374207800577903472874506848223281314247801376285803561910860840929586146603952219306583865676660558833149004592654086093870315830782362095423128585920730504613155264428341879129872961040474983658684826495835249269729785716539559960616903770181226111788409142206419233276379739103335048525308320914243002984426685919152089855506069248253495087842970661279519662899052561929619295626909012230051333286061643094795607732398185699676048636893934110790584566380331181580823468108902162833777704769532817113044808296956255366346391401490534164954222233880195380265296840514426302389528196219244739006192893808738194110621437501198673797423690191918285241286888172655490693909011807287993818848502703941434129191627903080278800516838614727160387449406564302437639317183031224129053366587562468499587408849305961131378165749921169796837623818260134191794336370652900201037483022399434423690868788461794609836086915982312563615867298921581942181641474789139728870057989908748731476825980903202840760166040897913322636197826151397694179935159542991537400644294388907418538084900879284848090725555344957993755547614955648963833789188268288955470444705396004129704957837626273696164212384038026716707630368208466991373040070633250351796112616878033242197496517234522703367750823800482138251715699366817836908971418486149430173547181080239155958892465462695695911862094369601351142094952018060812809417949976241885794839999372219303108026668845030693552067462126432576970042431766835498129434442138717238962879975523662468333976992655318027502940613248807660619862257334172690848135397830355451400231135524354471290164529417149054255239087229398485061731135107879394554327727966542441793831278213616941382676725681101
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 43 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122750872 --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":1100000009122750872},"decimal":true,"detail":2}}'