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 #1100000009122751189 1,485 digits created 2026-08-30

Value

185598881000719938903553915420198340827551723487298739735433218488559434403284780626621910572482788161080993745228268556771771576240036868811513713563369959188663470269085869997825845253485209239820369930723642428731966611154353837788718817413336144866389074622712810881469110822157547581036700439924004830994202760412421104894056887995735725665064092013161344191256309657120716323639249441245630075313125882989348227662423252854984162631674107836039538026527813553041713930563778785335594734017969068825159292903054136715152520434607817695955785908688559384448813847745428540208496220145629474107919465913624347657082422640495929812842028391781429791499032608259913412212405881946666812059783136090436044580998927626540311410052184498961691419447876534853901127106596980929357350508785481240490555140967783260737984610033096515862705058428971955409488924678446594226918569181771665544481873424229651841763981297991031363605236171177798364151582925700590203712007267479647296237030804548951969812137592933199183153398617930204786207484646427389258611827280800047403863553822168242827335124149474324593482961313959786907301181082727568080343929854684726721682745822468026170974447603659094272277966929991111242508232983426116788806971751991928500297329636317034412931709039724502224497980125244524810496062306892977599134955458113745868415289023361257109758812931974004155258642071369118221375632114713572784235045294969546311712031004952645524125174945414984599066376221179787731860821
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 74 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751189 --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":1100000009122751189},"decimal":true,"detail":2}}'