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 #1100000009028769924 607 digits created 2026-07-31

Value

2091902422191739905267938086580421988609456664569697653244437114643188923195761712806278572194276879116271131982897543657545270377997622321334746813252586645413526499789628658030845527111484601828853751474002370336345307088686457469160421122360614395897804886968712596771740264880113447672358508645624823973731603542991493557017678718270247886460355739353155556555963951333490329665013903513171735463178577594830931528978121574962593995566297347440584027565666911079498977827491827632147096453392343375507352147927729319486141188266057498523309388351646951582965901456726354603989004556848531313735171819063
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 1,221-digit prime (94 intermediate primes).

Certified number1,221-digit prime
Certificatedownload
Certificate chainshow step 51 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028769924 --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":1100000009028769924},"decimal":true,"detail":2}}'