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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 #1100000008682860945 1,981 digits created 2026-03-13

Value

5576632992641583437882748773236624956088775980351109953407831218624559853701219979924498974160398342323425617868497177142986243233266801733512908514037669173064315087787278514992940974823548670234222523681459836047807225272919064936555287535256102565796969129752195113254420811526103341399638569639494879733285014806278640305151125621654756966832628831175793869089076239284982101092048338665398481403455879279210345289417044479237350752299864549791242834804710675064287333142120821218259430374621983953954122295787125106806790285635723803091385926682161828675765219142461155223173350942477828076672548308539996595299695555715635664155283694629444118239626815478675179319288887135259417650366750817890796404916918382687742625299333998000429692825190974341451419132665391366453410126883443945692827089676855038822495159739039977461024532454803397183241291079900294369082150896822367273866345719846152305352839949169703245740626454286071372333198640758972433531090687218912180368011899621885320482013121928578547637182079372265656488622044372401220493711255153294882112621853150469251762958853620280144972608087504922560517868080024788661650402269529412551612181172672674697446585172087245189451144353683954881426280189012004661484101570382266519281267178040495274173406758558445227051146069419336432142420079783938017988000558306124013321150361920903285866128442118498947485224289161142247930041821524428997446885695703973216547281778278329451752554024157816467062621685231406815872842443985498464134555038965919106023148211770230722057644474010727793517677752915610454244405629213506653656362193010676722065614625762224301413644878588334691477826487391338941584871649287350388834108570236569849483618992197256778302994374919489152219734417597282071460405105670592812966067528976766892621107698177091540461332380583228665765872936793575898891027600991731862413507635180433106510216802040212331558708665036516094923536273637988317399604900554868874183427798343829566093347901685129981
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 2,949-digit prime (230 intermediate primes).

Certified number2,949-digit prime
Certificatedownload
Certificate chainshow step 78 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008682860945 --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":1100000008682860945},"decimal":true,"detail":2}}'