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 '3020482895761639414740765182596504712775793778974551307627798872555305436624132931878825513625150377668620630359191840757527483065312432485360423244009056134010290607556482927337710234299535060065045541288233019011660520970051596859040077858185536144216187489390707266684243137776373823054219978185751207258376523774233368139753529073230173734678180317003056512147901730455063932171369406446998941380116294577020600329946676921928043192531980058741554006700733910233275551543224722646986474047405721465233044565009572082711631649272478749239240623362943353829791320031991229651161586655580777790328046442518499200090477327898514974996132535535694473791591952921170716598219577088684141514936957814583349373123080067673202520550306777734760512471324287233418634915000807111244769779742003733892499850625792668307800693715643898586526576941437878717668422648216253127617592579571087846956742217687397688485302831626938152305500419619586732979724871237528115852402656790340373808222219125045862617922433087536836927' --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":"3020482895761639414740765182596504712775793778974551307627798872555305436624132931878825513625150377668620630359191840757527483065312432485360423244009056134010290607556482927337710234299535060065045541288233019011660520970051596859040077858185536144216187489390707266684243137776373823054219978185751207258376523774233368139753529073230173734678180317003056512147901730455063932171369406446998941380116294577020600329946676921928043192531980058741554006700733910233275551543224722646986474047405721465233044565009572082711631649272478749239240623362943353829791320031991229651161586655580777790328046442518499200090477327898514974996132535535694473791591952921170716598219577088684141514936957814583349373123080067673202520550306777734760512471324287233418634915000807111244769779742003733892499850625792668307800693715643898586526576941437878717668422648216253127617592579571087846956742217687397688485302831626938152305500419619586732979724871237528115852402656790340373808222219125045862617922433087536836927"},"decimal":false,"detail":2}}'