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 #1100000009055593865 521 digits created 2026-08-08

Value

37895059576127517640906706673772561323512216865405577397099394932135539797759475197296719306515446498448377573657212106913274441393063013242966189708388968312165858871099189631366804472831953747179510835178022332365920062131223263533889829914419807437822133775843757829433921901471656808534300389495467660188879369535239330461997599383922357396331643395658581780520921119757952068443978889311868572317001575869860482802319731254852810209807966686748619914760673538553911461451557842870469045804386200335545609933263636159
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 1,644-digit prime (131 intermediate primes).

Certified number1,644-digit prime
Certificatedownload
Certificate chainshow step 93 of 131

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055593865 --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":1100000009055593865},"decimal":true,"detail":2}}'