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 #1100000009047355556 356 digits created 2026-08-05

Value

55158330386881151658423944769119401355040232467491256699986926638378415964087771068905928811555193706637568503073376580688058402378882280697287563613778073195291834153747723559211401906900632286227230137293337984972493089776187958241858974320893363906463581421426660622048299541633137476773003795950076987956180439226440793707493005285845991158068870630549
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 1,454-digit prime (112 intermediate primes).

Certified number1,454-digit prime
Certificatedownload
Certificate chainshow step 84 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047355556 --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":1100000009047355556},"decimal":true,"detail":2}}'