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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 #1100000009089583607 1,293 digits created 2026-08-16

Value

462379886989459886517279079173430691137877171509963362592036098373640854550823774638704370592568490272654057576275024448597299006456876644375637250982339280198235607576845154330788665330285044926422961121585274744725985863125675689418917816343738933972816843901449101118335382505757397937876303785627696611805030613767870045933964741016274803705734158023300841404921212835112792519707852374472360342108416008062573276822482385202912902695732642696606753628931221559663485449215126156243677038691970157827241193496220380427741461881736452627799635303657963330190390353702179830315998247450310545814679771423217951471522153720505960636473987559490842589098726984772665089781635330158029435555545941294451141127359918472968036081336439825239952260854463140153755557505682885917060956449251154079134830429047313942244772770344177237171613009402075309583580412445883657655691188063221651611118646295694001191534578062286586821524364612637611498024285683744983146009633342445935176528549779446371731978919741207505844903015060764665427478754216461170509410072173110847245960122817497220079534872305301296205980088594269691412448893019229402379700778978955457047313370224148923572607509558470245175930255233033812572309967376878242878918438275007600485041796848364794393873275916763379027224169235863
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,992-digit prime (152 intermediate primes).

Certified number1,992-digit prime
Certificatedownload
Certificate chainshow step 56 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009089583607 --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":1100000009089583607},"decimal":true,"detail":2}}'