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 '36806382539281808259292181530266201324904458609376116528767716437428054509644486962546650973441295694376220027228440941169724804711615609660819420759363348350445633640108503482900027811636133117388583354212004635069176244525549747676187660887750797072498476437524393490090650820133086163531051810149565503450836711347895087756533921744201869751505724269416919997723156730157488298944376958014699357595028161492138423118372617374571634848731753373183652098633866739808127834270119202040973618757437867368367730221140674741015412387430078857083536267847466884696578479138897233811713512920307413596110865965895160152388176769465117406367914669284886839563415785341798743593681412309918708272285792547032538021363933486771159923708208090713066721702678808325920699438640335724282686546863228601021304464880148112835839789174771721589152018562337858172694067425224550195878202142888401970489401318843067518722175642704989549109549376497869742678136045160181896882518983' --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":"36806382539281808259292181530266201324904458609376116528767716437428054509644486962546650973441295694376220027228440941169724804711615609660819420759363348350445633640108503482900027811636133117388583354212004635069176244525549747676187660887750797072498476437524393490090650820133086163531051810149565503450836711347895087756533921744201869751505724269416919997723156730157488298944376958014699357595028161492138423118372617374571634848731753373183652098633866739808127834270119202040973618757437867368367730221140674741015412387430078857083536267847466884696578479138897233811713512920307413596110865965895160152388176769465117406367914669284886839563415785341798743593681412309918708272285792547032538021363933486771159923708208090713066721702678808325920699438640335724282686546863228601021304464880148112835839789174771721589152018562337858172694067425224550195878202142888401970489401318843067518722175642704989549109549376497869742678136045160181896882518983"},"decimal":false,"detail":2}}'