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 '5032016371909811946698372479709952978791941319604041544374855593132123650942683462135753794100752674595356794515874496128118045684461216489238685224606549966967033567692819456010384540637813648446882713753744836671256550375156788226568093134929334900972635448861094612293637439458740315587328747166834050788882066285808268190903162039246861599653847935905020167542704272575270083021207144936431201673204887304110770417731343951334085726855871699374071419621942991311541033910018027863895915596383502768793567991093560041772165404182423916138861901590486333116172881634937586581395722912209733988191748498414432422903212806159731848926447443764798149072386239702239829918892758282052698535943562564310296572621152508980638552357079396532039456164179449318852059159487632962644747946826304274074587226855552475040083259423817089440088382267038745641639500035592702370105310536796762206296416004839625921218220428669831388242931471368021609113278948938216946900300933131219932604160862791105732368514800346269453909387029291563608121121273546779953534093058828277603843818172012573474064505497766111500567701089' --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":"5032016371909811946698372479709952978791941319604041544374855593132123650942683462135753794100752674595356794515874496128118045684461216489238685224606549966967033567692819456010384540637813648446882713753744836671256550375156788226568093134929334900972635448861094612293637439458740315587328747166834050788882066285808268190903162039246861599653847935905020167542704272575270083021207144936431201673204887304110770417731343951334085726855871699374071419621942991311541033910018027863895915596383502768793567991093560041772165404182423916138861901590486333116172881634937586581395722912209733988191748498414432422903212806159731848926447443764798149072386239702239829918892758282052698535943562564310296572621152508980638552357079396532039456164179449318852059159487632962644747946826304274074587226855552475040083259423817089440088382267038745641639500035592702370105310536796762206296416004839625921218220428669831388242931471368021609113278948938216946900300933131219932604160862791105732368514800346269453909387029291563608121121273546779953534093058828277603843818172012573474064505497766111500567701089"},"decimal":false,"detail":2}}'