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 #1100000009054271729 892 digits created 2026-08-07

Value

1240575803402645438340930615970983924211681285772504154725633678443250841592201322698619343057802113826743532884955588535139416857038817839274271605620397968055965799760686844336681869225546415278695859103966782289608582140800583923940457016110473660129821724511435809519650983899603813207694530617812623681463691243949534275784418557756786280952100294891913760193840618783813970496392767688828884797172142270363361940111865891489971635821264843427021304595075223036495535520954614474920603224047985152879558135019957537301510008782746282540830276515090624031992514846484229650123869141269290920045733708795231610096366652480234120169236635035039492561418589289005182558907247543223761275444417366331684016440465710848250599197202102967583762497259805583474173364543741187759567721887555054684730425766827766422900488580758531427062661208644036641869777143295428386912042157884597067278911113
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 126 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 126 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054271729 --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":1100000009054271729},"decimal":true,"detail":2}}'