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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 #1100000004920979431 1,878 digits created 2023-10-25

Value

432105315705128335304313765461285721405628799876290013571166278682404139199606531026841027940055023586462917366340898570767258635531779057422934637889916165728052187180448532696611605868765319017433750908351625779284827117970849238700597574904976637461892918386695936114333029813847406447103659995327315664426608617699378835427970612231836361411800346189987981018750369258694484718372115566477113043860572102692736370889071760114503514761484179465198192879091194242648388612546171254117951350484976059848596168524752870206532322959840472222842553543854310884087314773420470932363519455114968992883636063885029095737248621809421472504520355426463940500285558222205077886611747181819339209020896652316490321660794024548176047835827645605718100146955452379087346688280322524405485905242054498663654464885046171549261085500462951214723908198993322120456087122366385438291875230271323054306936979195112084531585110301727525716657996380994535862742721210228805408143894743566365120831644221232758429333739359160753327074340324397894110898667563161611440550435052545449800559686628802248226691546806417675002980087706744779176189360989293889643903706320011182131743479032451847706244519872544388463473571067830669773646563966605864735927198056508584453154253945014898785756357620502312403787541462474504151278240727988958070016933916043864208364618428667075820412845912145983542044274055718351924861977776495789282304109322101848379928017456528996148381653260864873652975292725221762696857117996193218292458311728425319606606694423045461957912885418696238510942456624306551844166489829442999726042290584740523270898328806006393544135735629517058503970272268033996943841585408429272919526678212375830230592900241808466834927951416530745116764245423835954759484399550840267190803677787701780663962909269324156936848781918237737409507544129705362999447170858157117823435657381599135248267
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,938-digit prime (251 intermediate primes).

Certified number1,938-digit prime
Certificatedownload
Certificate chainshow step 6 of 251

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004920979431 --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":1100000004920979431},"decimal":true,"detail":2}}'