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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 #1100000009065129615 1,225 digits created 2026-08-09

Value

1122214593236709340095542555521386854422806457595877992540909309782015285536817852411928249690577553431814063778153889520474344602903795576260395807860449361918774955671925554572957244223545087755498905182505665397286948663520895212254135849109944820488215612339064177381366528051176648462112112660087889496245544879337155002802148620343805539126880540405173919840450406980842351050234641509491484352901371980805186933134638822659292015149430894518961941323124354212849419187569732000630244180528281830941867068422130109958199041019811959268939878218798024516179638745665564714162218472038277192095492223469664828728962413675977625281129435457442798670596399468712223030570571694830839198835395331636686079837105440061777928322659442330163601780854564383025703419714003931979191371612485252784137111459846289650192029504710645045272544144140541609334176092653048790454087421626872418372641149872722711024297033615253312376353557986048344494724527595624074705248134050898602644221616278948854744103491764412753826350985304987572422161314934889711358529716042185298203533090430579435769382091721525542053259041792302764955845641604359680874890264011945031010120572949424081526666867677390711530954160602129860986452236584579299
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 2,485-digit prime (189 intermediate primes).

Certified number2,485-digit prime
Certificatedownload
Certificate chainshow step 98 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065129615 --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":1100000009065129615},"decimal":true,"detail":2}}'