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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 #1100000009053915660 1,252 digits created 2026-08-07

Value

1058336464940558010682131586658624798046044235418677650711671458286175205591456963108385420339905237300471167486319416730171856989314362920194478994413988637224731673118704672845561215570854875688874045712503316532612729663658730680243810800953738158466515737190848148257693347266392326176650320758829082575711620778490464422091441535288660971210919956966014688694114724748555180272853224505522671482286205918019246324279886332132779801999107015725901550535969111738319314354058125319899806154040181819879052042690127991417503991030374522347123884626319209926170571541292043366380801321518174870411797779652463611922014544809936763578785092022400664926644755606319243433622101392689383569432092703121131737750671978761325119034396776492161177770192274262814933311312543086100746354494082070647531890219062629698088469539552841715521701001130233489584065135985211735749743666305751850821545796993557160177450518318882188061684411240947063993003979955366308068591996159484483801153728338096933453832902937919716716231248925949314842074340740473071175742150284633116999027906254373984631745183784682022976904482804611775870746194953016408161946109197730515728597143702299799402492284273147177115045950515574381883164750057663075721676580762523930986435781
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,613-digit prime (126 intermediate primes).

Certified number1,613-digit prime
Certificatedownload
Certificate chainshow step 26 of 126

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053915660 --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":1100000009053915660},"decimal":true,"detail":2}}'