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 '270714915601260888252768966553650211381124893638453552033297240905505531319289361768657417052524548751232128763114643598432321423149353254571936783410869327594339602506224270883620401521742358440007521083433188738007950998284741379422451810615306558473324842551658765585333155553792590613611151932143708055163465905360669722021509888102587921579146943386004169222932594345019464385033733514013926081482886111262036900027616732294411922779062133120982034358466516771135571135471609735572726636388586212531726936870669950075727206331969483908058015009373939548887581170093708803382877736823844822838213327518314384379200848683648193690937765517686890613765380341' --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":"270714915601260888252768966553650211381124893638453552033297240905505531319289361768657417052524548751232128763114643598432321423149353254571936783410869327594339602506224270883620401521742358440007521083433188738007950998284741379422451810615306558473324842551658765585333155553792590613611151932143708055163465905360669722021509888102587921579146943386004169222932594345019464385033733514013926081482886111262036900027616732294411922779062133120982034358466516771135571135471609735572726636388586212531726936870669950075727206331969483908058015009373939548887581170093708803382877736823844822838213327518314384379200848683648193690937765517686890613765380341"},"decimal":false,"detail":2}}'