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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 #1100000009070975075 1,646 digits created 2026-08-10

Value

74180802626212754282090774998489634143822186437502983288226667925548519503635372680890527310825207396977559573610666644322065187147481959166828041931879077219803855407004374285441305885206335807436533483007617373032574172158547317592100513940950723093571182799481437265995582033089968496206528783365077928621579731230008017609148607726737139059205747297905612989788138456259390525856855227538800503382461757950198801010090725909372928965392414023141677446257346311757096448012218735458443447391402606557348466349484264932236250385776276117696886965593329979327308902722258216803124670044620644573977856854799493454882228628411063457760840692697083191481677432278046134714332624382542889242852976549564862608510481608585131045512886386580767053891827115409617995031718016617273732492375984405943235310949035399688981355413899823847398444275035044082279991313091929142541566867412280036366010890882872869145026567929078047964546708467009106952708233554146046784608394914894756179533636804809940429969931556554847536249036693419793834534390626850519234896509631867581764408733614493967469613932899458611620088100864797778599075875960085890807067488165819513132763843115323685822680132530541630713641925919711210864347446451689686547396776271660753451801814746096387601878669770532141510612151062465321425009971328170738180461839074124634146641008749487872903302187963455379173836378925543731343866441365292845981324731258684759979611614373587655096620607465958129007567760530643422853773668002675089145964506493423182979106164593165319994686406922257643802564774923997940804159061300700168180912436055731794902628502854597612215538691745189653746859
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 2,004-digit prime (160 intermediate primes).

Certified number2,004-digit prime
Certificatedownload
Certificate chainshow step 32 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070975075 --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":1100000009070975075},"decimal":true,"detail":2}}'