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 '129325230126868121141449714950736450834989124239946174038032899739273710755546962891773183852539944449942057498518270662675318149815849334652632536903926799521762036900699018578977482990302113950862440512695746382454768285307110282266688694012595873603950756262216943993633538837316178037897673107651498683446608271646901951925314209988695009782223367308179844347746607602680269067922966386299538293325886838292614774141109476872139647991424606431839252379174950326543140209511974101079988361993363280148876198674374491946010103998185218227568418489788908135808316570304510652170489512151457532896993233384985411781861457803037726359879003304763773557006670515359238816615266044303758529123846006770878632839781525178900344676351167243559731303471606844221844235053822667359466307794938879870555734531703650723230978176249131774685115732849879722433362184644866852478995222563020862010013619919063909747712554684892039533090551821871709171209829203162376369833180982803459041419300924161019763931385552098160307575655270415407393248177468314545185457102494299680052631831550355120896857408547997945686243891709514250431587113556649721504210819534616887279740826456800378435359391847592801298281621600226931325185836581433411624296552646263292279135656401374641' --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":"129325230126868121141449714950736450834989124239946174038032899739273710755546962891773183852539944449942057498518270662675318149815849334652632536903926799521762036900699018578977482990302113950862440512695746382454768285307110282266688694012595873603950756262216943993633538837316178037897673107651498683446608271646901951925314209988695009782223367308179844347746607602680269067922966386299538293325886838292614774141109476872139647991424606431839252379174950326543140209511974101079988361993363280148876198674374491946010103998185218227568418489788908135808316570304510652170489512151457532896993233384985411781861457803037726359879003304763773557006670515359238816615266044303758529123846006770878632839781525178900344676351167243559731303471606844221844235053822667359466307794938879870555734531703650723230978176249131774685115732849879722433362184644866852478995222563020862010013619919063909747712554684892039533090551821871709171209829203162376369833180982803459041419300924161019763931385552098160307575655270415407393248177468314545185457102494299680052631831550355120896857408547997945686243891709514250431587113556649721504210819534616887279740826456800378435359391847592801298281621600226931325185836581433411624296552646263292279135656401374641"},"decimal":false,"detail":2}}'