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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 #1100000009053480733 2,017 digits created 2026-08-07

Value

1918656371787859435154013981617458790861468441733302836627569919654177770863338802124388541628641617970806694366863884072933736636283686264037671785608336314241038335538463926350795861200710491235437468059927562748550678932047383212099429186733972260071418281051733126377412334162404141739204319184739827365090029161842615117073901390520039150546959673425092131715414489235296057546175723170535030596334935376290742473058462944646360907420578230666197070012226718588723636798387358061967740119715357564509124301512525435021524111191359187910012418744951258268897758060022984683584139946976292669044853220988497010631317557163448886613954382672948668576996478516902183103287276469034079051842774762682910629789260084968663690188456282524331141503254833575985492256234864108360745621765472789119680424278139882020973724006849447312916065715103296251382688823344036381096003526705222948662147196782371164412823164877928164279328113327148730958677362666956604394539588256864391976432189524923749023910017778901088000223205436842293478295847185710244673761724656936821389877760007307041707716952297874239743191209319238136031951102666470232186480765164335163149128324481300006324871933092625515185988932367041430473481633421917575220150916140020058233592260397673328809239097533983567911530916377828506553923657284974936471511296142084607712324077209945414994697602125285553970309596513905914950432840543089150383707873846257232421359318308896362894316627176861661183323902776871605956759691039704168252426796870580468907085585164117019248620458577634332745632842151582639759076187767456856498641670640705944783963494051679708519471730438427083528221899550556398534376698494756712334331032677043357655241312594363105576135333191639035955642337161483555227969772292614815946993177920756270980522543788913849918291506248466889121362776933202869363637745157751179458700696906065772427186423296070928184154870127744123895194961945703192103584602781519820156416857260612876056823863708388595079545864312702916316520299111263063
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 2,301-digit prime (179 intermediate primes).

Certified number2,301-digit prime
Certificatedownload
Certificate chainshow step 25 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053480733 --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":1100000009053480733},"decimal":true,"detail":2}}'