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 '332127638234795882752727592353772796672103154341957964658337340739536780805647694461120975062699424046646019181073699213096364301870343209565297780405042534602685534254227720542107907336993966139280503948781628971410684077927319539384981083933949248524187759607207527006803135502100496100013785181469233898764190393317512064585005406928658750589889922948834054367658901876100704784143730106178680784712970528619175054990182870751294958727672514906085577556513333058176246871597291453019435739882348942614974272547338807264894581924435881467238691775695636723980793292774598317517134803269473354018030723597520996606566296593772688401215736946924774228797757215425515417520157006670063291755750141266377622951818480401939406019848489048407206129540762030134773995115798415343413498211307566411892079689838827971726331536844829164326931519925186747539059536377553475242507926258066738038319901982844964113978900267072347266161444008023308182405138854548855000858318240185148853684849431540509337008122088415440409451915333808956819818570749292151244966219716993142809595802547935832809073743358033862429423881315643708336840268563444196234308030716531300332279503437273419737974519988072833758820748195117068482662507681304301529426298247057506267' --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":"332127638234795882752727592353772796672103154341957964658337340739536780805647694461120975062699424046646019181073699213096364301870343209565297780405042534602685534254227720542107907336993966139280503948781628971410684077927319539384981083933949248524187759607207527006803135502100496100013785181469233898764190393317512064585005406928658750589889922948834054367658901876100704784143730106178680784712970528619175054990182870751294958727672514906085577556513333058176246871597291453019435739882348942614974272547338807264894581924435881467238691775695636723980793292774598317517134803269473354018030723597520996606566296593772688401215736946924774228797757215425515417520157006670063291755750141266377622951818480401939406019848489048407206129540762030134773995115798415343413498211307566411892079689838827971726331536844829164326931519925186747539059536377553475242507926258066738038319901982844964113978900267072347266161444008023308182405138854548855000858318240185148853684849431540509337008122088415440409451915333808956819818570749292151244966219716993142809595802547935832809073743358033862429423881315643708336840268563444196234308030716531300332279503437273419737974519988072833758820748195117068482662507681304301529426298247057506267"},"decimal":false,"detail":2}}'