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 '12344306647591393005987323763334649557259550494025679579136587303559047578668202962042147485656253121333542205447668652082535529857604655374423526309029485417243852415716643539520211447903265642671513407047940433761370939276133704425174166356890939178681572313551469990212851340656352606854169689309522974375802797843256608925263874860245934585037772046953550295029527575247003922392375389671761979560896494059954611655813809871598196417189060469765337634836045953811176045950226272594725253865777293282053221960917441627390989421048716507226107787089694302179322383007380346571100132419033213250276107585343622179' --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":"12344306647591393005987323763334649557259550494025679579136587303559047578668202962042147485656253121333542205447668652082535529857604655374423526309029485417243852415716643539520211447903265642671513407047940433761370939276133704425174166356890939178681572313551469990212851340656352606854169689309522974375802797843256608925263874860245934585037772046953550295029527575247003922392375389671761979560896494059954611655813809871598196417189060469765337634836045953811176045950226272594725253865777293282053221960917441627390989421048716507226107787089694302179322383007380346571100132419033213250276107585343622179"},"decimal":false,"detail":2}}'