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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 #1100000004947487616 1,197 digits created 2023-10-25

Value

516224642649901220589679232945360912140798170827228499816690452563849402994221149799711351604621827944538579789023856193884099103245687162151201163765744946724233921620379351700439338790648014324068890555676218546084885400855179995512660774339368374017373158406546477711121287849605395565359197137903073805158938944666353358662630631098610735831184505471520367915676819637635870585287423944636811808433812490752715621729867115205005815929345259983805384631472612360930105650821389707117441607172937683875617204351601658027673968607204494178585201683844068687184154702850136338542259806478345057567215761051072113841646945436857713607095673081790977032209912914682253581749227718559652454060940325872108063519225961299074467905684857285769779283246492544845770879147492362077636888756330534158699918397716602881217161272075399278491174411494668226058597237520367358714558845690537349881378065460759009442421385621504139662985994600241821054100838487564459457337382068933456629082108635379204440315380947692581844201823120221569216290452325165466429563968996722453719124043678733737901977954921563910605330842565840564822266243120161563050702902111757739096672270388371462827090128082823673939499137
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 1,546-digit prime (107 intermediate primes).

Certified number1,546-digit prime
Certificatedownload
Certificate chainshow step 28 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004947487616 --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":1100000004947487616},"decimal":true,"detail":2}}'