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 #1100000009058403385 791 digits created 2026-08-09

Value

39372979150978458521815970333289065590581038467699996509116702431928667537331327180849097034655751030721610128923837040946393585731512407038110994302566959865396690526017814397708311660788757190880483443140708760820922137443832187012654050347573915358628559167707779186164524068090516206699075053756501891700409097459208523771237537147322935399634373664084335968703711764477952783572330566354462529139001509330858677115267482164114631024926564180291897655009420473220044978555549192416140180192156837819532382118418317163916346453355436544598241626109794035557223671531849555830836489626894647492106703380976867171126383663372784457419445272274747781818129874967475022592900537994805676464303169848972091923424373510200252737763316697777752782196082809359045983486812769300295615437490863901
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,683-digit prime (129 intermediate primes).

Certified number1,683-digit prime
Certificatedownload
Certificate chainshow step 71 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058403385 --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":1100000009058403385},"decimal":true,"detail":2}}'