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 '6009523259637150372403200060453828831215167928345935429392218904336710916934292643220439401251219821476328019454723174214167014886199659490215546871102921318496856333394596963500449439356016291685624298895657049718197296530476869249421457045024040413577456671134490311880689358642070327304393702318292751664905068359894541199937642059490510491513749882310062173190850446412160434935177337828975752671503086393623147019345280747423695430031467855439821458832967721938808704773195399380409224327457961423704733546824140941729474619657482145285312581212054086252542098087629763301114947260666478543751264148355475954300272997501301692189603379177250696655009806124195884034227053115840030522816257651336344988322567061358342200079909691473370296632014191081567667938375231029475316711651477105386481346383741255031650362887091332949514741129510683637659864827663242928495224419968852910301684972437203808859884485112592706765914033033992376765843642181257895094132124977389733338289530588147576031809288816952228779831602337947327113807506296311107626873491931378366501601580923052321609417530792225769237877639821407010443284160599503623489590418263884017808600741226025661742044699120690876782450080398413001027585796206086865134082588577847369560906399582959744136701847625679479521228195834453448733083779973560186111757869960251858981711862552146170964147' --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":"6009523259637150372403200060453828831215167928345935429392218904336710916934292643220439401251219821476328019454723174214167014886199659490215546871102921318496856333394596963500449439356016291685624298895657049718197296530476869249421457045024040413577456671134490311880689358642070327304393702318292751664905068359894541199937642059490510491513749882310062173190850446412160434935177337828975752671503086393623147019345280747423695430031467855439821458832967721938808704773195399380409224327457961423704733546824140941729474619657482145285312581212054086252542098087629763301114947260666478543751264148355475954300272997501301692189603379177250696655009806124195884034227053115840030522816257651336344988322567061358342200079909691473370296632014191081567667938375231029475316711651477105386481346383741255031650362887091332949514741129510683637659864827663242928495224419968852910301684972437203808859884485112592706765914033033992376765843642181257895094132124977389733338289530588147576031809288816952228779831602337947327113807506296311107626873491931378366501601580923052321609417530792225769237877639821407010443284160599503623489590418263884017808600741226025661742044699120690876782450080398413001027585796206086865134082588577847369560906399582959744136701847625679479521228195834453448733083779973560186111757869960251858981711862552146170964147"},"decimal":false,"detail":2}}'