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 #1100000009043272788 409 digits created 2026-08-03

Value

2868627363216117189214223312414957700904851580792061016505639408239197384796795840743289731358126925394769281215417072668128885441794013608823343323246303388826251805655566783615526671826065534980154926305249534711279615419588539496927403309691669885356312685814118829617115484845478517795328003273914976825810575888949795753574916155101506615282996841297130894864188228074832984127791939293463704582551575611
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 1,354-digit prime (118 intermediate primes).

Certified number1,354-digit prime
Certificatedownload
Certificate chainshow step 88 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043272788 --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":1100000009043272788},"decimal":true,"detail":2}}'