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 '459382791066829868449453496134101007341005705535072339191110701136862558163791784823068809467729905413025217603271002792973903097990866925270881231302062946614808619641917729357099131252220396567787405990526592784144281877752589173910449840112052942224434738168733320278538181115971570930667199023610421392745035282605190351182450286318861773285889122434504926951494619474541474373924919890001556569168101850849351085920940516170857448831142267645189603257602566444751703903024981330341627181417210588607788748214446750181962908300648879627873885274497410918361417986428702895859961388558829707728087708964921090013374201868585683931532898727529053733285015577797777965600916447233142264100959255988182969806776526073622935959508750878010517231302494577451312075361382371553858103977089851615599659875373097156554852677571728512154712174640644459611334298391334315287867612547234562168643685261670470351939970409931098689559091850377365325206594113602959167866744091574004906767147843169652265192963387343004751206140212365382697364381778023061041935812479136618876840566630317001446027635853600302649836803560159394240774900223345155761684310699193032712011581501192052338479132702813705966040751951605332852868355528490932841056581859137477655209822956414635212783309436433923542378679904595598434248918341824272138589239324177172638143' --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":"459382791066829868449453496134101007341005705535072339191110701136862558163791784823068809467729905413025217603271002792973903097990866925270881231302062946614808619641917729357099131252220396567787405990526592784144281877752589173910449840112052942224434738168733320278538181115971570930667199023610421392745035282605190351182450286318861773285889122434504926951494619474541474373924919890001556569168101850849351085920940516170857448831142267645189603257602566444751703903024981330341627181417210588607788748214446750181962908300648879627873885274497410918361417986428702895859961388558829707728087708964921090013374201868585683931532898727529053733285015577797777965600916447233142264100959255988182969806776526073622935959508750878010517231302494577451312075361382371553858103977089851615599659875373097156554852677571728512154712174640644459611334298391334315287867612547234562168643685261670470351939970409931098689559091850377365325206594113602959167866744091574004906767147843169652265192963387343004751206140212365382697364381778023061041935812479136618876840566630317001446027635853600302649836803560159394240774900223345155761684310699193032712011581501192052338479132702813705966040751951605332852868355528490932841056581859137477655209822956414635212783309436433923542378679904595598434248918341824272138589239324177172638143"},"decimal":false,"detail":2}}'