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 '34240888307396038741194025619940545311977040982556213498644615208412388001052826751393041637535759052988492153703497550937376509784250334879927676863683098305946605302607857821906804047156380699076988361503435111098037700016945491806755306891816505518630831949981182528296159796029609455349652985679148518934905230218961474689496079703971212857881888273509080758444325982242415085336438511505214222010672030233449560065765544047625468802447690351186487707366505932482238990517122784324411357136847548382331682712411288094920034110013391576005114447817184035932625109436632358029363374216447371907729330857764186827542777477430036922774444898662413310276906629406773787667261101248467988554031515863539305492999480933881981456836290622296123894651329603433718602680062510486634653243314368625215216693805764520242072043924057425016139324660980239180704772582250486463851556483217241453863232138682388121406482836373711' --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":"34240888307396038741194025619940545311977040982556213498644615208412388001052826751393041637535759052988492153703497550937376509784250334879927676863683098305946605302607857821906804047156380699076988361503435111098037700016945491806755306891816505518630831949981182528296159796029609455349652985679148518934905230218961474689496079703971212857881888273509080758444325982242415085336438511505214222010672030233449560065765544047625468802447690351186487707366505932482238990517122784324411357136847548382331682712411288094920034110013391576005114447817184035932625109436632358029363374216447371907729330857764186827542777477430036922774444898662413310276906629406773787667261101248467988554031515863539305492999480933881981456836290622296123894651329603433718602680062510486634653243314368625215216693805764520242072043924057425016139324660980239180704772582250486463851556483217241453863232138682388121406482836373711"},"decimal":false,"detail":2}}'