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 #1100000009028769898 691 digits created 2026-07-31

Value

3841151009002094441084391899820144803848122667303029418858054197459254496771283075083027746636338037326641754768600689039865404037665115810435751930901722066724636568275025488865214444390677249531027562397851302959789623610574281097158225132327640797939997404476122258882686328804166886675516218361490827866592796233993055834176743911519998253517802634669495828991598695616639645519356204670914396474061746406071648008045162266032369286088762232806673085352078952305931887816656631190671639849172498286965904783016446348822197741514622357000500933963669308618295316745705745090953974707505043766461011649071470946808899304827556840124585234600320434076207035426022472275287262389496641131787
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,221-digit prime (94 intermediate primes).

Certified number1,221-digit prime
Certificatedownload
Certificate chainshow step 43 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028769898 --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":1100000009028769898},"decimal":true,"detail":2}}'