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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 #1100000009127305037 1,683 digits created 2026-09-01

Value

268947315129907331653360654447691921781743120456093108139595204242520011854169453247030421666111866756124765025433886913285243095007062963284771279403841293978707011646236145606274183773392172993386183224984207421950757306088390773700288068719991193956516335713419760907495502383295153918748113392881997152149494126174134843221247962688628300250761377403205436246150422050487351969221263598081883264276781188385198219802808272814416281822596836597791707129794224242611860623060041818392823284798625351978519810208286556690425400355905570776619510325082925434731373973517558553088135421848616217042134604235065491805240245371591863862930696825980370785343643247169308428146249036918470790921412618556949132015126590078381503238561995544867467621212622629515867640834205084577242773143422504470582246584521419131364073211762750490976266854904856416203122362804615683957054533076779846377955767988549594181684571947459651883755450149970920587291143525602864750623750660800512262672007852019318248881047361089269849622787593512060059936982199460699872718464668167669283050748996811980645886751836291508677690871350004897030195547157731538715069683123375881129437730147953257005998792570849403880024347829233568851727305596728875784576336113530348986698304200178829486000298039915317371168541800611118008315557287624984257677498329326651071678781236331481816464778710918739179442237669623311808117348334089172556824686234027505544115632387910814664580095993560679961726493239386898236266742437850970758415868127455668020396750529756059397659697912419636770135638380478051330602192331929174068003391442753625091916909907111716688009519848879693482169005258637984036105515757710604885566359
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 139 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 139 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127305037 --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":1100000009127305037},"decimal":true,"detail":2}}'