factordbrpc · fdb
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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 #1100000009018624280 721 digits created 2026-07-29

Value

1579344603249565723284700988279476272515313836279553382158515212955117945955075026916261311696512144926720602896280915817561100820653815445605760087507887994998515313821529585762294871465730647939868857761189684072882273546535623943213967786514504733369231586891987049895201453432863412912461140583573859604681792557557330792786802453776552356500034137216508726499919815147244210621941858280599333519818055508722252564089919829901931171016306025961193526733091398908711515312695032390339853226753955801257078641445803351307200147821152518948913786771818884423367700736991246528095277493523296923750179728699977724615013838305479520014803355224446349853740345989471093485833291867371668771246183335414576693092225251787117
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,010-digit prime (85 intermediate primes).

Certified number1,010-digit prime
Certificatedownload
Certificate chainshow step 26 of 85

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018624280 --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":1100000009018624280},"decimal":true,"detail":2}}'