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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 #1100000009012490169 2,146 digits created 2026-07-28

Value

6843016985291147024706343010211792177717633891033426574365547666374224128631823511826444227376347573854647545261782077977167327061929422562368585545891942938155822506773597158829650640562876702885747926730831251266257375548841952176018813628347955128557208092260280113676330987843687618708494447865178007428543776089898143892370972609031457344073923500910907853889845957840450368804888141514025895935298919216868638536214132838513115279550710295896372202978582717224772039145395662378156257559248221264709016955758304339812163283732654478622376713131884480602516488494735623653372580269062233849160520318055762066976448155624688812428490814815583481726911179372643644634591710879662932379644526911236193448481197468971627661820801879697259498115747839654648415135437041984489781538818285296438030059728151199248422927928761871607781781998702733505353068969772913921700964822717097992829018372766398391935762901216334973586614706900082893501971967600786686869302918950241073788673410775033994880485585042418163484973630945754858334637856743921333868923948952011546031824445442305616988502228611688750526958741686005204520735198977001230451214697611943454713645041132143858855874755565500729801415586987782800221678783079792323747864899937086848255254985683599370018543101920578933074722537600501006043361189969142069243897392411605258809545488495586953653633961692012785839674510972997837593824475458917516697222651010774929646836211739432443609773936685715777978429493788723460073983428286682608282627322701874808332688524604006225169869191650301570493288312269911681746488269195968490172242109275216656265406262448058095374672558820386965810123655011652408388747257569713420149794810464076900632206805354406669462504273581578292146148717748335548528660304533056982368368089300806497434274819246176991020184680895085904069949270889198994175104738117974841585774286184366680733674305385619707108324301678405251490076492076717746768926354590838672731432655003069047221749626453731818450899293459762752723722345514502142170962257792731245883102538218018646524769152976440656082974968690493481299809495564769755841245076910144086332864208586775709637
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 2,692-digit prime (195 intermediate primes).

Certified number2,692-digit prime
Certificatedownload
Certificate chainshow step 39 of 195

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009012490169 --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":1100000009012490169},"decimal":true,"detail":2}}'