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 #1100000009048440428 635 digits created 2026-08-05

Value

50661061113085883745217540386671401307603062039383532890693700573592808858636634292033689859956354061919558352857973084086824283088254517125374226518364069058370232161960495314457017708868972572191537021924737062572603482800738546102037150781102537125042455144347043891401158616377548421872143502951787354690483673655216994864182261374748733803556795646011218584464316421334040863972146530096450750367861515089953226728680894549339501278766278149326139223552514365864097072646457723512209615101192191565911054543310316774515822274389178026092362380409489134989858816679686096561018156587777632054829760857685575895935981009060823312039
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 74 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048440428 --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":1100000009048440428},"decimal":true,"detail":2}}'