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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 #1100000004990781172 1,020 digits created 2023-10-26

Value

139019534417476584925591572832326842242042770333839813989334253744831212506092264141341376789947333245892146940759715192448930370268174819245572100909997555086165020997784329147631616145856880842847363708241667875189351990783286118009340750601168066044255247637762512228776084561273439321312754695718186890616647365739013263515933219105811486409935441504441254221569469124688418750048420140328864710194867687562558394643549442409390525714162048123005103089658886105090832174063889518549143606397699849249317911181044584380907893365075836478537948430335534168916015078455925184743281404717594315861810007738085175587296558221233096994401683259945458721483689154512366999215692220232297389566920382013913404619749130542023503252018894699921342203983866947630941370742118128828855633048279463960886396012227627115817654768993453632216056640669359688781849901145405729459184387858344386801346649242956339371145380005357972772433862102604229620455726975776300363309116797392341857197206514340507365404719340306577914452493939
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 1,078-digit prime (98 intermediate primes).

Certified number1,078-digit prime
Certificatedownload
Certificate chainshow step 6 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004990781172 --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":1100000004990781172},"decimal":true,"detail":2}}'