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 #1100000009078003852 446 digits created 2026-08-12

Value

43472415341957462087987536500332755806772459171191638143397354093919160755362938602943609358792171196093456414499025692160850964285628115109907366223537861697677061823915878769360203508456293950526651925286349230667345214892461728299093669249927075595291813930599153699548890333762924064002408581690695860140043498060863956078473733705667986764054761886007855111898568517934724706364955071893127208018115851887925008423671789168159431942949641343
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 142 of the certificate chain of a 2,145-digit prime (171 intermediate primes).

Certified number2,145-digit prime
Certificatedownload
Certificate chainshow step 142 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078003852 --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":1100000009078003852},"decimal":true,"detail":2}}'