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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 #1100000004919538060 1,490 digits created 2023-10-25

Value

21709272725447432723606527069365361319747541614293951678225024970172191903382023646895864757281034642706733329393584842492543439595209241871504020728322984439859865933167414418497812506537911205670672284842359241394686856435716591465656740405182446916328158582771485619245415412209296357575940750920549902954924588551165418757625918635645956098932131099996413772268987120174431818980713284901931550229064115140885003432562608618305478388773309292161021273801257033316192227806804110173763478273399037654704731435493197885320161175121260443042518186186759879497392282012234137818052469992978514177981595984349910648481028341768687261975351518516727815794686861420163680016715176039683250417042621763751932461720778153451009221316895697893975293787080116308911189043355040438798122411208765667559168813744769778265045609739263457165518038343573160691563539867208098525561783604811003680199689074390054563586993342854034418849334839281549821807620857035735490301022662516913501407936159208246332109254127517810472503728548252975046407149097305565497057844257283310780899741131488444536626939395730960942797053810649224474275394115982834313862016968498789351567169064783844494810752358260060694814198426260908356904378763812360413126809076713403065114589581970960050973645672832645202734143951016848197791540840997871716604662231751810930271704782919651985164589231114390635736280715515606760539224761675391986917540015081894792771993964004223006965472861003228922757495069028325157734394188257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 1,947-digit prime (262 intermediate primes).

Certified number1,947-digit prime
Certificatedownload
Certificate chainshow step 62 of 262

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004919538060 --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":1100000004919538060},"decimal":true,"detail":2}}'