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 '707269351932405144176842962610124388191864300639565916549885429440182928021173554577504917795388498585129778763571226804586757642066535218282906545857934347651250466597170759291677656806049521631968917662020787438118190046893660519795113805844810756442727959354139513047983829938094229993019798085084938226558203252426518300191787732746205413760160938597656527740492482978201585180714449230163065637949990467326350606232001286519046235082874355488469874918086547697067426138176358437534944342604332012565302119809988275595048037053664069783316538056092719210342980270552426808147396739779364850198401477356939271357714925120918276003228202495945389289363608977097627370014293053461572563810643291874865997238561316704343767973817980792553829964772052524541445538392561867817821110257143928547068173953420801679381167079782702026893959223922036473812324256495882187277841326508992089695596207281455337387470961896485696390409562117288443184376697359918336662152792612022251131834075118750058430315177917198959038967168309871108468030991577295862072576163295752405623744294990913131545250771615156133522162019522676121199353460751963294263655978749553631007597097314605531231163734203641168436876572069572161930178336018274646752007726106691795353191237897523899388184013847403116757803673786081188286317823116621190024810022123005775970621593736611621625572191053' --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":"707269351932405144176842962610124388191864300639565916549885429440182928021173554577504917795388498585129778763571226804586757642066535218282906545857934347651250466597170759291677656806049521631968917662020787438118190046893660519795113805844810756442727959354139513047983829938094229993019798085084938226558203252426518300191787732746205413760160938597656527740492482978201585180714449230163065637949990467326350606232001286519046235082874355488469874918086547697067426138176358437534944342604332012565302119809988275595048037053664069783316538056092719210342980270552426808147396739779364850198401477356939271357714925120918276003228202495945389289363608977097627370014293053461572563810643291874865997238561316704343767973817980792553829964772052524541445538392561867817821110257143928547068173953420801679381167079782702026893959223922036473812324256495882187277841326508992089695596207281455337387470961896485696390409562117288443184376697359918336662152792612022251131834075118750058430315177917198959038967168309871108468030991577295862072576163295752405623744294990913131545250771615156133522162019522676121199353460751963294263655978749553631007597097314605531231163734203641168436876572069572161930178336018274646752007726106691795353191237897523899388184013847403116757803673786081188286317823116621190024810022123005775970621593736611621625572191053"},"decimal":false,"detail":2}}'