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 #1100000009043400856 374 digits created 2026-08-03

Value

11655113868068276156374164797212276131060028838256115768168291134127419316330468778205262879246087755538582129244600841045239167980460189157705366208610843657943239846404919075929008181403103929646574588717461257102294445809574583679439812302567310656751546383777309147163109861252682165550814433987966864242927056142185640121346856950915471872019662937665448185607746244793
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 1,359-digit prime (108 intermediate primes).

Certified number1,359-digit prime
Certificatedownload
Certificate chainshow step 80 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043400856 --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":1100000009043400856},"decimal":true,"detail":2}}'