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 '1697435919330244490392099025755126578391538196855346438739309321451489907534249069151317735299817497531588284659738331196560957270207544048804769653227319723849347072184939667362457682421522027437284552045710475010980769501465297547791769329295811393312024079231379370404755249579679040116544716607400871694357181277569117625725034252814751862781038809577711375036827140928388771434675818934037880044862185285855143234950318988493969572868210860178797853025158707556541611802162207076216950848484837476822675768675779027479514508197077933788700033' --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":"1697435919330244490392099025755126578391538196855346438739309321451489907534249069151317735299817497531588284659738331196560957270207544048804769653227319723849347072184939667362457682421522027437284552045710475010980769501465297547791769329295811393312024079231379370404755249579679040116544716607400871694357181277569117625725034252814751862781038809577711375036827140928388771434675818934037880044862185285855143234950318988493969572868210860178797853025158707556541611802162207076216950848484837476822675768675779027479514508197077933788700033"},"decimal":false,"detail":2}}'