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 #1100000009039158805 1,573 digits created 2026-08-02

Value

1751091427297883764208889415815883880504743390476993460860737913437381664090419753292125351133434612338014726379557289320384529308416759357019135450572566005841668482797781953322438235910869852437526522457231252204333383767683211348599451763119904912111508206741529023408081840257075442718093170751517324776555212535730072129670664461333328487711092837627941204826405542820478973369640557624947415021540070628518803020122056280367940676914898641259826035196254092772849674366820827305408582964520471314687427166863626019095632091582971323213092581140662405764262023247626957623917684479515951541597970310966154796785097043602433357313749073904866622249771645299062035331228523660876354263580669092283462149431347191779017757173679711759368958967059789198773377817122656628013571160904433956257485603633509889179706139409421054612247411418154784602950989240308351766668982368599814105494011642077516135752058494456486456190998299957498356059711181408873120224875493651411009667343016946718193751609591043912871191890837297193054781453195356555314513476480330760056091560031118978234973336817965213051968948811203275960073859132695419207891140049711609920055199678074154073597863301095351454978666758389543690565543767033290451309069283822395629448802084403214726194535428567571553025445944447385287364545167351937096392194320704162904280734448699983081870211833041432149599872574330958732937275133310376335271085210371386456944228392030053505024419744275651903172449775106194895422199547477009188842000199513970359830958254417459924125033746937826389148154375894631251809731
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 92 of the certificate chain of a 2,804-digit prime (212 intermediate primes).

Certified number2,804-digit prime
Certificatedownload
Certificate chainshow step 92 of 212

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009039158805 --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":1100000009039158805},"decimal":true,"detail":2}}'