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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 #1100000004947487418 1,303 digits created 2023-10-25

Value

3983809772389981293666424664356510491966386021913193848084970434019269869209553053709941338994334329537299348173089182196563818059233128836430711486961142202646210062139739671878329676126529502370675666336151231631565870920068889261135611808350076290016142156745491593544569143966875307049890295354804896362708484873042671261845700019008951257936098427727431896639679981335686445544503093461208792666163709373415107642417239552314712741444280955745425529454739775554773840205086961660629756889431384868163819606121899843303934344970021728037068977921090465707491423866656878943599205813070243855865714187861335165008893562488565630268841702708356928604760690154988587180246958848516764434553888043225633293939565389473481220634059349014139241892345842148093733442151362896548145185157047422978485889384722431566891861296395454504962143495804132549958312594245444533745333998644915817654918766625300247620280445240234946337338658940943352849941358884941821580363178940229881833294297744807490909801453421891428317076749590858664366506944020560812222106110753177206943534729498201656721814404235587980918909720592101864016891913352524591187279012829927700697096590855237475431927392279261891527163001421915664202307243148114856816107499920463408770109605973192762066807311929609614695822319753938346996617
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 1,546-digit prime (107 intermediate primes).

Certified number1,546-digit prime
Certificatedownload
Certificate chainshow step 19 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004947487418 --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":1100000004947487418},"decimal":true,"detail":2}}'