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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 #1100000009019009085 1,048 digits created 2026-07-29

Value

8622176602158251055474077039265730769150671729176528512900805035357188225092225142466455663077215805895654029728207343411643334584672022525781930262967653968588952707909236435493748338833134566567756535606485374509733111709450450356312498228674804846237342622559012410407011052714357723509223558720284536457013281323186879981550878795361126039676684277366169334073960508475454599925723169288114347208917877590776033874265837612492434788923051206766905345503714229715044477478664792745558410382172178201036658535550005586211659424220030982937833106119891788343496573952290710448644980291009656855519629803659189290471945830294322164095430939802473971509179826928290092405315260238826829845643135099846807896155590773468186492286876792136713929815657458867556611472569538233224342801510371223710187663365997548697078538643645697252456496785125196056427962282431791365702977104457814688526625014839890842907389946413006294286626120790460845484005071450033915305026962310371536309562156812271876671311618595485661278224622276190056199590714392812582633
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 1,082-digit prime (73 intermediate primes).

Certified number1,082-digit prime
Certificatedownload
Certificate chainshow step 3 of 73

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019009085 --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":1100000009019009085},"decimal":true,"detail":2}}'