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 #1100000009089583738 971 digits created 2026-08-16

Value

19406958206038190945480753016458624262877550139402082983394749379588888293209084730703861019574598361377729539766271220898361068197353968705275731432893646132483386462813159362089122112830043132752108294076158479637791358379989398015981641669724603556191842741857540953577436774076390933573482007717212286763085281673705794226422717791917258181748998887099127295962905683745865031292789333132190328940614928917193161275815047661256677729200004035465526046202289385007182778215475753753350330898911290177388874729668695436953688475584774164484347645241394727161718384705791539221689225088988703084907431780370465479449124073048151895081828457007540175950740851201182156949801074049945804434020183519466469239470612794569136681168591444960848774738558356313730239484064648441631487796200825175890979143118895949095449033566581186558421775516322126979458700318728216371740038753460934924933440235302421652582522907481828122039672712894383469952064202190902831625417176612611
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 1,992-digit prime (152 intermediate primes).

Certified number1,992-digit prime
Certificatedownload
Certificate chainshow step 81 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009089583738 --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":1100000009089583738},"decimal":true,"detail":2}}'