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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 #1100000009053333044 2,278 digits created 2026-08-07

Value

1513126192279926863413463788749603358163568882302957024079709831432536284343903371528822652894290436683446621918605293671778069226811864404908247076375545329203526582451254817852480579690826278639921997878079127562415321873519631189669890672525362516153997737811446323952816053972174471052602300612052904351494029718791048278892511827491361988640421640459458357003546639901947997576678896750022104615626006601532940081189511041494719381264917710636544942072176269977677347484582643962637713067871806870032319115905166118812369759382127746681353914177334874559972828927096092350389134866903287833437449104376026923574715804281757175966731969688256266356994099457226314321958888684104656404371420825146954588189815074976600236533743998498636652067943589737112960394113348242468193676897009781919699590367456620165856903880999084228264629024825675974197672062232777834243069303757042624616103769307703840772871910620350551525613656658693677796356384680035806880785717895091437833619612878599658769255930550166547080041504567377773703982614384363777989547530041432120043483460647682315461325512410804885738448371057107807210512862783926648354234811878772320988648921930912386143047557636838168942358707771273974423715087767569734141837642604940285442433579012448232281118801529163952920629964797370779462037560378790615896917736321659242723888761497749683724899724126853123857906580831543265592363264588440013803025172860244980621164599372767878644415563747207256236695147896921565261455984760353997153221126287176321303765584212693327272861694626837899623707512434725482316748879107672429280213959759699742838754461878292270108457650561975088880955538469551602223852249825318224607939310897960478375620429566527299904403101595926577930374664091786867342086518140671432364566881221946820679867060932766569363566333942158137399784462794141956771567548573361078121134252884644934387810488993457133665846796202417806757945423547743819310616629717945930591578708710841729751660001374035823001711257882322574680566631571143683975879049263418669122984680817533284014375871667108281174947439294821211736326451144238235064280037785142552351844776918478207906163519158633995783657687704970531041982686670034655317719356318120517761869052252164776617214824636664981964835843326396917561166477
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 2,400-digit prime (177 intermediate primes).

Certified number2,400-digit prime
Certificatedownload
Certificate chainshow step 8 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053333044 --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":1100000009053333044},"decimal":true,"detail":2}}'