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 #1100000009018865905 531 digits created 2026-07-29

Value

497088867243734464096306377605004830228500838146574572649024534059125450235899460176603354433586397703608743472743773305578415342000066949111785006977827940194445517111723658535105067441613757647516926308145684265694139249320391130261258865930996660152763411140309448554347490668733863360162766399036638627334886721191099916310331683921630171707915186364245831105907959745047581714211006313255643101161669316458440704225170612906653924784172685954253123935912532872539593532990752016850443708313266687268521913238808322911894183043
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 1,039-digit prime (69 intermediate primes).

Certified number1,039-digit prime
Certificatedownload
Certificate chainshow step 36 of 69

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018865905 --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":1100000009018865905},"decimal":true,"detail":2}}'