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 '5660150716820072124176106031608287901952742856318459571965460807396093634300293765774541930440730662088524232672933903892847087971507338992936276834018102699598755540558441624473711318737440332460020226115806659558749144274981352432752251990155088095825384358642646525903796390472853557054600958925462037265202893305167140429358764791940124272724627765665361374004603839328650266796375096510231128079295334273730618450664887045746571082118178007443763440933440774873934615114288096031698684014088999809520535566431762677271522955447200659748355203392067966423186325205277215687589897781708522324282464834642531292087334042721650559049062703588635537586236663293839018277210197177870677934346446109402668571935430321840866827279704892314934691526426261088772138984260157542162512167491511535841872943486656792436045048998941175637146506407714964359720409741178986432373769743036322790308614881220906179466575735223031959862232872521447929726751592506692026504258285662721757745616926239309696203826656429462249156069434888606378188635788924076921986942364556501787609087427500362032505459052168724284720645987607005194912055577247247739795533507090288054168969715050640113319020325583380636870325415224625713495474046348168763568698126600720543611641651386644121607598012657166261350745966835555514520394320978446167398279358217131222386182256869214709470160389369243600693699807839805042073800581647559757381282253182857197828782418493266964869619959102740241542533903896717172931841629104217769170007834075910833077447400461884342589850931579' --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":"5660150716820072124176106031608287901952742856318459571965460807396093634300293765774541930440730662088524232672933903892847087971507338992936276834018102699598755540558441624473711318737440332460020226115806659558749144274981352432752251990155088095825384358642646525903796390472853557054600958925462037265202893305167140429358764791940124272724627765665361374004603839328650266796375096510231128079295334273730618450664887045746571082118178007443763440933440774873934615114288096031698684014088999809520535566431762677271522955447200659748355203392067966423186325205277215687589897781708522324282464834642531292087334042721650559049062703588635537586236663293839018277210197177870677934346446109402668571935430321840866827279704892314934691526426261088772138984260157542162512167491511535841872943486656792436045048998941175637146506407714964359720409741178986432373769743036322790308614881220906179466575735223031959862232872521447929726751592506692026504258285662721757745616926239309696203826656429462249156069434888606378188635788924076921986942364556501787609087427500362032505459052168724284720645987607005194912055577247247739795533507090288054168969715050640113319020325583380636870325415224625713495474046348168763568698126600720543611641651386644121607598012657166261350745966835555514520394320978446167398279358217131222386182256869214709470160389369243600693699807839805042073800581647559757381282253182857197828782418493266964869619959102740241542533903896717172931841629104217769170007834075910833077447400461884342589850931579"},"decimal":false,"detail":2}}'