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 #1100000009057730239 517 digits created 2026-08-08

Value

2048215419393318355781101998233751240723092958574744868381236574067250554535457090277129087339756172869519111309821163765843911524042961364104408996275182458101809833392009481050511701217364536868263340382545200225595443130229914589987321411791112742915598564922828767123640764960852605694122227296857729601134010426323899118419130430720920276455806508147033948411473724339069708164316629701750210052866865385772128961353415831531061750900844660534654518937182814783736931162090110127320622260029892175756179705439553
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 95 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057730239 --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":1100000009057730239},"decimal":true,"detail":2}}'