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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 #1100000009053334107 1,675 digits created 2026-08-07

Value

1207893890105835564330957485858361315330762136590941666812798693903727240068776589267847903492771491565846218108570724401000638889227766357124297520755002522662555740290021672576091453504553686664913594513618793116074549772648158529820584105312123183217252003327750338330304274842098377856311043912327089970926699954742151138122997487261435062259311291688677076288868352718889251647091130110205439050617639831753858838986347465179712550960378634628456997441535072459539929389619828674155200914073460730980398599767266437060816355659063899830911864581996846447871571013252649604193271890028592132639239796305907320898549660334643821851367379273826706843226860058613224152973371676702967779884495064456863331953029442108263924249974891515171767738108505620220077921451496986381118684732558549581173463645095844190494376135550563429279707673819283203695580168795221833623441781221494306389330031127791974641634254509702675260349345042139575029344464309251964232152252988192785909916961020662438416381858852135648805619019195863573429822400540870651804920712791523918719672627724538489494146848764914925224144559984997163789162387911212656911991932417061782685275597389448534446556685865132558535297723395724830065893332584816446755261671527436690674186948592770318483741307635770671422706330703304181128340288380142795703349753800989440268195900316742051601672145688132917130074341550306581708526368081646795254982001217920800739461269893138973383682279332280715522817265322307755239483699657966876799735824686442949176681655040614298173141292109682757483148908060275630409307455179717824209048027262528076534078354898446991822230937594083037699213851752925964593113548797079593
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 2,400-digit prime (177 intermediate primes).

Certified number2,400-digit prime
Certificatedownload
Certificate chainshow step 55 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053334107 --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":1100000009053334107},"decimal":true,"detail":2}}'