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 #1100000009042340877 589 digits created 2026-08-03

Value

2819819961649491047816925250433846745996737662457657974233467775335497063434270559668193126116833539569360248489472926861401831902077623718355286107623789753445748336552981794473190297295303224954336500205002692397726207729688595168979971789098764914345176800260915315649199721151223163191665405975638841952154818264923560155088380404945843999109774743051503442883804801310125818583974269004605449905823128423268263889149364558699786683701006854503284302477471114130651182251964037713079731218088485504726679555841644026857999615434148119555720688109988160224825248439676040129414128277989
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 69 of the certificate chain of a 1,318-digit prime (114 intermediate primes).

Certified number1,318-digit prime
Certificatedownload
Certificate chainshow step 69 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042340877 --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":1100000009042340877},"decimal":true,"detail":2}}'