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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 #1100000009053443731 2,158 digits created 2026-08-07

Value

6695623194657489021847566226734848766311263073075432368651545145292265867187015732769312464293172770771061249179384854703363526983618049988064773996057479328241039479787353357023985293024893384692704023259093019492547473964219920358548203071018722896232071430977637329481874392882978926348264925685726213981610266087857392796699367527194408462504265716446978403387172861283470115644910392595697921570334291758069625527847282937817830641076577928885742348445923804049105215991839664214939141669721059579561429451232489356541119484737271029832648481106122204975469570919489084959550482579579727629334550714606304874245300966684175185997665819181241975687053044237444116577804209137725244181972853613836425313187535997526725939026032042783135728204851148737063653412902670528315924113128450875496405500285432561699984098499482389931078096688578940913473839150852829512243318138950361110165586160153777617982263608109131817205511793898722156194118264729204837328984992925124137578912987156358378284780365281742208757353864728158139257270349952346164823239389500753336440830887950799390034874933504603917324347977832359004350904398155981457706834932062964126020797626984978924292910263803426572813033659864306879377166623798263639125568546894731186242160249029351440182973961713683642686819110995488208371942299502352513826751438076258376745616817080333305242092721327880052838852726156681864262838614575025525313480583801412431651866357475319884876570419862912727308935137275122064378619541916579515888483974834787134341151628551731795397047770925544816704798148601710780164028963715822875120993770371529456439522530811303030278062966709998159900046168185824874635792382250012452345689285913111087835826382073837909190082584777496645985012203002952245568717463162641942345961716452023250617967596482233821546566467285962031356991567744526176563338920984383472908656467722394585513295573999837319852926881955142517869680567652417264829765230858150610869304021962969324265550404501331912288626160946152909920194925166125356362521055463604637058376713588633125859615690277359110577181160880304158615451974532942602247960284298830743586150846995253977682504009559981
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,853-digit prime (221 intermediate primes).

Certified number2,853-digit prime
Certificatedownload
Certificate chainshow step 56 of 221

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053443731 --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":1100000009053443731},"decimal":true,"detail":2}}'