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 #1100000009019447222 417 digits created 2026-07-29

Value

109978225016589343647205095428491830972881149185782839802548379163140506860671476242678200801653131715521350473842293367403230100168996088689410669361304385715009716062632867507908725607198328583473869453550150242768986144042110241159424385674976710911001517433659502209958878172547450671722844263325477943022568984160686353011397711829673618141252561068621269133435558771129169496699560274606032511308909742463084921
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 1,100-digit prime (92 intermediate primes).

Certified number1,100-digit prime
Certificatedownload
Certificate chainshow step 62 of 92

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019447222 --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":1100000009019447222},"decimal":true,"detail":2}}'