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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 #1100000009053869701 1,021 digits created 2026-08-07

Value

4448997179588453024108135658406594706119857661347845033671589841570183964294889291523234965846794199374889284663440753451228154982607274864872338977690224100941979403240622871664327885500431208518964095170996836807082543174498155463780886804053114938815927505243049300480473544385320695986752457763150695527676819194175047329293619302468365570741534071019723607778794460600417738582719073754895362517321581690037830301338572621163980995763136424805480585154719350949236289322567382794104778414297725986330918739188332664921093095529523089109006863368992907153990673448080179415537133739367306517665354660655140299972527925344216589972169614483666883478089658668314724232598271831317364066019941147033062890993513284673469657630291465603133572342260103907020543923901838405944246369118628147633408046066138906011706991178700877655939433054209825592425131552748635916186629980558011367509115532703927349026153052846857480359954315352624052680160633933316672917072042151451002978285626184409001725921900489495877010652402753
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,612-digit prime (125 intermediate primes).

Certified number1,612-digit prime
Certificatedownload
Certificate chainshow step 50 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053869701 --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":1100000009053869701},"decimal":true,"detail":2}}'