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 #1100000009028337945 587 digits created 2026-07-31

Value

67687547188925976047439163083700399578078370826754073619083364091740466016065905682260092083872354785426413465949572205705871822763136501119926522607137703084020211548400917931858661448972292807505819271918891982167156403712923146538755078555141608570990294169574355236157163885847939026420596012745773267903640655657727192753027078088290776469134412473357811639944528353801920951049039309884276362360715755276742313926548584638147077119868125712109107349122494002534093838747106299209712578765810067658927064912829223620836900887027929741741391935676194970506147223238740936387298723841
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 1,203-digit prime (96 intermediate primes).

Certified number1,203-digit prime
Certificatedownload
Certificate chainshow step 51 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028337945 --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":1100000009028337945},"decimal":true,"detail":2}}'