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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 #1100000004918205302 1,515 digits created 2023-10-25

Value

191279688418791836962923542461852723645429936956739846715857599267136118925417023183171154479040402284990401995590174717758113726537993132554361114485348950174863802478184181093260912887761312280406612076809331131368225894587773463024700476256427352777932490301333673150971050876579674491862142065156621678958958746604117801450110892450893801529308682240398412040611820901666053577030005282305168799517780995939886827885755335527931604247979361375770334777374275593307567830207068409881259867757084649918943724653683219525385355006848709468815188891368945582699607905993197436515858173541926037140723764848752755924990497917792891828461356089341608420236081588479723848035333300086451653177230137273484580525967600748123553180317278401954233931422571985227032448329462849472912455405729773975430632904327823921050786160516214879902360195357445913606570744769943451442411000512573874607771953530968287156890818748970791209714577150106093463495431224794548849016381426702842127136680515977793230262399330107125101709747229200133376747815622322888913778324285607439437891613224060941452029460627116345992553545722648198057863459458706599416438279945231755763730093662820626357276966617246549884695859238755400485509546854227155716435129669562208364918837973636995737960149432705163436768218273521816883408495931138472783278000252190233357721867496537656984618646893224148437157108059090972324693916035196582244800355713495964585407659496572457372587641550521645902693845810625616286410108312302696625082060555943729077
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 1,983-digit prime (159 intermediate primes).

Certified number1,983-digit prime
Certificatedownload
Certificate chainshow step 40 of 159

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004918205302 --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":1100000004918205302},"decimal":true,"detail":2}}'