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 #1100000009047427458 407 digits created 2026-08-05

Value

13575387253955462608006498349049630810753945189550350115051981843619927704237641544541549693479659783027757337233934635695172356515020837433735844045223500540756022769913237995885535786968539587067495328527426481113872929694498985599383072098528380924214335813856692553677663348701931769373881130331906046606862669274270934516298275015495572041371236360915408543007248804220854713906957181409139153177436373
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 1,456-digit prime (126 intermediate primes).

Certified number1,456-digit prime
Certificatedownload
Certificate chainshow step 93 of 126

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047427458 --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":1100000009047427458},"decimal":true,"detail":2}}'