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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 #1100000009053655288 1,064 digits created 2026-08-07

Value

64729943611270988377425286370537621654966247017729512366622241799546693956562223529006897511141031859411442870286490745498011622807630034075718275023503649376563144900039096144522316731452794250764321517293419040287108595762626223517605114634535573715888480265769886556461732917084946195091292947343842841019903854329572903229926346383844446868737209350492265615525964727941110307050031061275431443966971268859694546754600452843138980204501140479372647852901704432603247760589162054413638330574569942940648910330220559346103757949648999678997914951245577171981179776095946022821838316058460658848017108335583488573650749239791853578617380522050929720871927000640452242661519494468878468119643905885696435728867317201702281415665185622509122901366744804107491415221269336034477804721400509223603965771958211645398849012304383364771625018131675427141241223631685942161449489291523437911000591402528659537750524475328041868397399635899510621094230304332272453184968925098538991477498853152114537217968185690741138162674936244180651122808738828012815238994373210227327
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 2,205-digit prime (169 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 95 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053655288 --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":1100000009053655288},"decimal":true,"detail":2}}'