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 #1100000009019417543 622 digits created 2026-07-29

Value

1402591850545921072113210357666586531996987784044195183749706646093906977286148219173399838020372412630114751819181439307786559332487731466943311437948724914066110620311040667536094552872740611234802195930523172451361726368427064538223886882278799908599079671923828241013967903128846655283940874008147178567683052244357819426197739793093152712596134033160501767468047710328754290844588221548524522053569223997852203750787356201554683928102876623444081584851058261431986611766601585133654253792805208151083675633741066458203456102460368409910722574583588896268604211829137458514116814859617502666857019225695797036929694729
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,098-digit prime (86 intermediate primes).

Certified number1,098-digit prime
Certificatedownload
Certificate chainshow step 38 of 86

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019417543 --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":1100000009019417543},"decimal":true,"detail":2}}'