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 '1152172508120374615932727632974020290130156550559947470925096283675414223992739683403113422122698915288850932449538254529103593625989650499067873862016225743653773090174937725975897192823624681428830911548898835005034046928564120369196039251955482260994251669056769551140194067823456106305032799495853989930192058336780821011505120700707965222124774841898781234845859297860745703992667576540462961688478700117311251129106512297432446631445525191486091808828883516547456979594324276846844961774756063535939314044901979524447908422968595915687292743219558030479559908214221664340255489244628652712467656630506766641187510074309772817659343783814241201540608800041245686639653959684740209743470265612534718468176313381252606093675146879311655821687192445087470277182036523240967' --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":"1152172508120374615932727632974020290130156550559947470925096283675414223992739683403113422122698915288850932449538254529103593625989650499067873862016225743653773090174937725975897192823624681428830911548898835005034046928564120369196039251955482260994251669056769551140194067823456106305032799495853989930192058336780821011505120700707965222124774841898781234845859297860745703992667576540462961688478700117311251129106512297432446631445525191486091808828883516547456979594324276846844961774756063535939314044901979524447908422968595915687292743219558030479559908214221664340255489244628652712467656630506766641187510074309772817659343783814241201540608800041245686639653959684740209743470265612534718468176313381252606093675146879311655821687192445087470277182036523240967"},"decimal":false,"detail":2}}'