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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 #1100000009060671213 1,036 digits created 2026-08-09

Value

4197438047376499386140857402276258938178755032633381530626690770184538771696134738382626071613046709520504340492318067402474989698996141734210341376678576198819290117656867521319691611878562181551889727435623593298002871567328258584037003179364103757458228991396724291166923412930631193366563330652988788722032518644970037530271645771244966047442496162280224330405342977849903708620912667278094460858401370519544275838220688676385082646072651017372310617312504876498882580780239988108431945222134489319014920607500352111418836062807537887493998202877711025647525731226442731333200423889833141026881799346520355266295055535481371946980123026679011389948479243488383553997914294805171287066609188715002210898688128007472715735373614306730852436730442705645345577760984274317050764169265281966649812466355307931751699059271128241294307102930231937435925518899276593102333925638919818345779201253632913383625951158388758685303964478848305300652207597903178656035092826897349822596891693540686881719819494610403682867588621342277169124545923
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 116 of the certificate chain of a 2,616-digit prime (194 intermediate primes).

Certified number2,616-digit prime
Certificatedownload
Certificate chainshow step 116 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060671213 --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":1100000009060671213},"decimal":true,"detail":2}}'