PRP · Probable prime
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.
Is factor of
Primality
This is a probable prime: it passes probabilistic tests but is not yet proven.
Build an ECPP certificate (for example with Primo) and upload it - it is stored and verified locally, then the number is promoted to proven prime.
Primo input filedownload .in
From the command linefdb · curl
fdb
fdb number '162843682233038054368317775167274333123472836813878524274947452590613657884594212677636341743624188043932432474099659030245763589747801333199165315934065944242138895635384081280083350830690433151835876783971883078772252141929852984474687086627692114505058762829734442155012213533514152455016477235128991445128976178180253899944746600223807078715740971648309081819880510417311703213599741355032441163335903777033222653980041362205182104884125824621387392347700371150008175419139560732131394287097765463350360202856147428727655756668563408002611977407297948474212365587248199299796382222361830594484786744455395223905606635692255466305271104335059198816029642770424300362738060899595622907856636047646043471820607349346374238028931137428984647942219204827356309158985223501975355423403928523147285682057394650378377611225017670692035316467721199688199958094545340610651797775139027179151155085011385566544957462041563980600528755788649751316378624019734941070428968622946850701213219975381505397202551113921090835935814350296522902193786941343777819428096687761886107612961007706435613475997555327214578549562839175587483877640128453306727901351238590963423864746074403307875276772788678574256481090303984370300901350371372814083546490621205157919305599576221994984546648245931185370532845333414436800518454257313822500996528350834529230806424587920531136237884918786815812255122706147137423847882012841433733500785727984932485255156669185418807614040526604649647923222067765296190043983580545794915352367987221865765689683407119853295360020608426406179' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"162843682233038054368317775167274333123472836813878524274947452590613657884594212677636341743624188043932432474099659030245763589747801333199165315934065944242138895635384081280083350830690433151835876783971883078772252141929852984474687086627692114505058762829734442155012213533514152455016477235128991445128976178180253899944746600223807078715740971648309081819880510417311703213599741355032441163335903777033222653980041362205182104884125824621387392347700371150008175419139560732131394287097765463350360202856147428727655756668563408002611977407297948474212365587248199299796382222361830594484786744455395223905606635692255466305271104335059198816029642770424300362738060899595622907856636047646043471820607349346374238028931137428984647942219204827356309158985223501975355423403928523147285682057394650378377611225017670692035316467721199688199958094545340610651797775139027179151155085011385566544957462041563980600528755788649751316378624019734941070428968622946850701213219975381505397202551113921090835935814350296522902193786941343777819428096687761886107612961007706435613475997555327214578549562839175587483877640128453306727901351238590963423864746074403307875276772788678574256481090303984370300901350371372814083546490621205157919305599576221994984546648245931185370532845333414436800518454257313822500996528350834529230806424587920531136237884918786815812255122706147137423847882012841433733500785727984932485255156669185418807614040526604649647923222067765296190043983580545794915352367987221865765689683407119853295360020608426406179"},"decimal":false,"detail":2}}'