factordbrpc · fdb
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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.

PRP · Probable prime
not in database 479 digits

Value

9768439618…09<479>
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

Upload a certificate

The certificate is stored and verified locally; once validated the number is promoted to proven prime.

From the command linefdb · curl
fdb
fdb number '97684396181505669665903449944347571858108700488461154862290079446042366291977267749722773121578541653741520810867591327209299282651056993184244363880064469144269254401247890748899066213450233357850794622754019449306196083260224538415362539714405249857775670217135385498355420528361102298033349562750471560305018791248135628536693210366693346006258699999807202127599504356426079720912746344653991504787004246352023395931448717668877610301009594196072082671795744054999840826275009' --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":"97684396181505669665903449944347571858108700488461154862290079446042366291977267749722773121578541653741520810867591327209299282651056993184244363880064469144269254401247890748899066213450233357850794622754019449306196083260224538415362539714405249857775670217135385498355420528361102298033349562750471560305018791248135628536693210366693346006258699999807202127599504356426079720912746344653991504787004246352023395931448717668877610301009594196072082671795744054999840826275009"},"decimal":false,"detail":2}}'