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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 #1100000009080742253 1,857 digits created 2026-08-13

Value

116217533885489811997391740656116585922945996928307720082589287906127500870183252369567354338786309305987479094364023273945969210257913751938566339696086014343398728858366764802574268546031023307465756308242096355995577920665631042430775756285191583426353886942951608469489456101917184956066825830978612510912895556249736445745763411169656191055032756717152300818481338343061388991473710245493443839955246902006795060280980240589976932478553675688084476645792087813712595637941149198153886879797061057842912120147699318986546070800058945796477313924086499213028970354782004829701644061187730668818681890173298007200626543861105745431285757645056564688995897405388485752772108526800716554809282160424811536885575260451678981061835167525273163996112726321345888229556580348099577211630248105625870613076617440815726747830339768968203708475015479605994202314681171551316687896599355285794703168474561924686260185547135535282631744366705661051900779479189578386694649779420276007461533573514243151004409399317613510286343195724706087716310132549849542619609017202847916918989699324393727848671567971096404064266737506953175964673240436112864439233532688370515521734209934624925361193916072781238522426388561749642859672478293032053492531642348518049069662179911201695189420402344641062442436618416840839710612929313841903068394962527600380575171709678501974859404710810943707375220114701822229593894486509933946595431048910013664824683970483994343345873231914705377797096718880366677205030190890037124798822929596508500450348688200156601544245158547086911138113705029564102227506875797249508056237166597522410821592194075189915231914420222037171561876133612009975247225139297843126702168650253602464645236514051042080537677524829262627224554326949719681585533278988585613955536731451506473396986344410355377996524881363795637373329719639397438769901749077803291
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,928-digit prime (154 intermediate primes).

Certified number1,928-digit prime
Certificatedownload
Certificate chainshow step 6 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080742253 --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":1100000009080742253},"decimal":true,"detail":2}}'