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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 #1100000004879281788 2,065 digits created 2023-10-25

Value

1065565415627854990015989675322781026274892550808091714592258811573200232914741421115811759535730867826013013885786221726998243492971181440339351417614040417329868368640065116566110311146190209239899269002753164231115922823433910286411136458385417604179037794793335861021335790023637354735845221722945269809442147079273188398049140335587388431136754606667695537535361829816300797120036939835243247631487993946764857007776323478596595829181709424095826212713196357468929936780027045791718889143292953796034166943461293978241070662842367626778110298121409294258208524023031877679256884241789469894718159229889836117719073555978635494105565710311387637084011830972984607268581610643084549424344966380685907174663764391218279599394141913190880555854541917455866790984057717558430969944414572910440555525496120333439229568919048330888436337065122704685375328406863627014141316137320530819256801329536392104863841221944665554451324299941953568403168430607549079149254672284741785736558053536718717788241063216456147814223888749182242210905051668704388441536294240214309343946930305220451581718453906030215680912206826220813203308990990908578150009964813570583530259280033555460937408383211399644435471015918672310446699873428097221075732298636292431003806174143344059319098442241234541532744708573324965344715042749818825721157119056939612157128140861800127409884560647798446787065271975648630375702100062267029404266993742252603047450216206864709989048626099052466645839449174578925162220759990839582027679497860158468064016873198734725404087619827754157636973555180998229559843665614831908743284949263405943077117969570720188130360180348436708725067347424629444414302939826743448012617539236396572555936992898335710054496457259606598871528615655971730471498882205456614728034282409674708991854721802247693310968569105415065683734299211728079158912047610966195820145470092732980829229893585568190463619563360689242406590236409625406907389541449367100232562949409509412460021775817787798041891625937202839158193569692567654585813291332416244882395912896583768838086220037
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,405-digit prime (313 intermediate primes).

Certified number2,405-digit prime
Certificatedownload
Certificate chainshow step 36 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004879281788 --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":1100000004879281788},"decimal":true,"detail":2}}'