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 #1100000009044574553 456 digits created 2026-08-04

Value

126273806258695475232952752177850329339055564376418307515697703776108551129774484147859458327393532801830417077690750866524237760141303809244070272441180424192835489253693833051084817599523003947316062358889129155040460395813946658972560029478275264843703423425031175605909461992226897227296329122238630788659666423478416973122165595496636254727977994956144785099736292666673450233419572820295412852580297434857603700071886622396846314410101538623411204093
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 1,402-digit prime (114 intermediate primes).

Certified number1,402-digit prime
Certificatedownload
Certificate chainshow step 81 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044574553 --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":1100000009044574553},"decimal":true,"detail":2}}'