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 '675133601573974480735243545249256216550301062332350934344342151434739989795495895393754432017496438723478320421407124976592226788898516504864600997647805506810020721704666629891152334354591937122927162125182400995337272031355858235583912419836798876634269234262028559694908224834004064622161096829612425272096059354747419431770056650200364452172909590029063483043760735665806106798160983431052033913842938934500828545904955977586832297140048923543523269648356038621813293103303466227176281597487179971694025861391454044741837684541775661065021673470112081364420425292703945177727332992244824867803889207758036875046606241081284452801244106859455446129068177444189195201664989408405854984446373235326400406972060132694256398298176161323447' --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":"675133601573974480735243545249256216550301062332350934344342151434739989795495895393754432017496438723478320421407124976592226788898516504864600997647805506810020721704666629891152334354591937122927162125182400995337272031355858235583912419836798876634269234262028559694908224834004064622161096829612425272096059354747419431770056650200364452172909590029063483043760735665806106798160983431052033913842938934500828545904955977586832297140048923543523269648356038621813293103303466227176281597487179971694025861391454044741837684541775661065021673470112081364420425292703945177727332992244824867803889207758036875046606241081284452801244106859455446129068177444189195201664989408405854984446373235326400406972060132694256398298176161323447"},"decimal":false,"detail":2}}'