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 '37145628711697686502976444685128580268764475979551659127012375760969156739667901256795978109230215461738033036309005313542703814201053718683268405249440226206910344039944132659039000697711182687910464556815037992602379121133984394117529097692921768236885400689542643158168960652809870286448246319972533352277077756627879242802026089729167463195802755667917263525224746138571553715278455194337436208347615877857632492519928369319749834165688934947690257547019840953584550942117866377789956066219750591553122072964835089636885306182176681223971311905651230522784743550030194506885833370643923975309221964875277417002174238952737032423810141613516871615473809939366718837564958508448290878718709352173536377905110208775872406515261641489846451460950131497611576154055834083909508093502449078448412202673899995611625414180561820382115841287238658486964786545168158712833185844138653234451159530647418652911949809793140178267267462972316740707968136040612972098165827991697586942320980058145242534264673084445820765096852755594878938286641294118349437155424430843023984606589392656962150245401886690314875011025133920747977268508576118333848754015595295480178794800438996080817819301859882378467050070988333794302017009632201728709092599974099129306718863194187917460092867090930444706252000929477583829553900291242341810789110955528473659590190032900685185478165253707350385763228494085949947912124036299574113280553493354476396570815337897795405912280008189335787479288040866233479878965867716032592588254295962376943400930791127243516102491923907057027271' --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":"37145628711697686502976444685128580268764475979551659127012375760969156739667901256795978109230215461738033036309005313542703814201053718683268405249440226206910344039944132659039000697711182687910464556815037992602379121133984394117529097692921768236885400689542643158168960652809870286448246319972533352277077756627879242802026089729167463195802755667917263525224746138571553715278455194337436208347615877857632492519928369319749834165688934947690257547019840953584550942117866377789956066219750591553122072964835089636885306182176681223971311905651230522784743550030194506885833370643923975309221964875277417002174238952737032423810141613516871615473809939366718837564958508448290878718709352173536377905110208775872406515261641489846451460950131497611576154055834083909508093502449078448412202673899995611625414180561820382115841287238658486964786545168158712833185844138653234451159530647418652911949809793140178267267462972316740707968136040612972098165827991697586942320980058145242534264673084445820765096852755594878938286641294118349437155424430843023984606589392656962150245401886690314875011025133920747977268508576118333848754015595295480178794800438996080817819301859882378467050070988333794302017009632201728709092599974099129306718863194187917460092867090930444706252000929477583829553900291242341810789110955528473659590190032900685185478165253707350385763228494085949947912124036299574113280553493354476396570815337897795405912280008189335787479288040866233479878965867716032592588254295962376943400930791127243516102491923907057027271"},"decimal":false,"detail":2}}'