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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 #1100000009051643100 1,700 digits created 2026-08-07

Value

23454235368667480347188082410143450469634606387433638307164558735068072646205785508870537682908809975187334298460894783443981915185492062457330281723127367800983670826951389800244405105591854207976027730407142519743246051298674814265696491153433931505517099206368393101560557866240761813292656292148640200055918506933058184857584824011317468955129473051860832338168406682552809977270784590619697375339551145241679552063327499874211054737838628973676484134861246999541029302803810640322887627278529329236488920462226851711825053655814265261164814108597063236279861814914480787415944513796665244217616700578955352278322586295324929669994180846618969184858720622553075749407143878102019916106185185467673151441548918340103041894235299071809613865581443786403349913769264698941675458937795719839663212077341660048220544739618430542025132826957418317943744506301949471534082600859356702395017408370267971286509559934017544315229962940319505675985971789495834782527911698115918914252304207268484731365794449787063879840413983585773827775962699321694448999934371438883592526098355481589764974216267773772849075609149535511845219535650013985955511859737554636882262526309597958419975394865146315550062894483884958827211756962820416492492856743901417697220295341137817724955122946096319052588936370697997637506733021981627928405398635290422822554127305012053878147447871848298371382472870560291286163544276028538707830408667312607379946749452301963955719348827088296463283492136998320466786432027403445028307528239670549049551626305725950109247990266025295954293944608092139419453499338670187540490766299364765438338302255865835227944305323919718331177997437768950309202454753935873901632468892908778662605207
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,823-digit prime (204 intermediate primes).

Certified number2,823-digit prime
Certificatedownload
Certificate chainshow step 81 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051643100 --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":1100000009051643100},"decimal":true,"detail":2}}'