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 '35607405035234277921071204689321285206309620347988741597173827444554048154271032695908903834710880835494930862822129295986397564425297175397874121030305551945593959373650116798730033254869038214418926814322087154872573331767064880891825857929303221278370173101020861327069500967070122303886118638484698142646766939220207803368930934359648975052972438400327815641372640253861029373010184737889787667551359863135351590125281143956361541027849981873168197848979963993641500642857804902925468037815161136252018161885108074644062952802788260606802660724167894612081267561067627896989644548674746733700809475869957671835318932506902167234021745356602677' --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":"35607405035234277921071204689321285206309620347988741597173827444554048154271032695908903834710880835494930862822129295986397564425297175397874121030305551945593959373650116798730033254869038214418926814322087154872573331767064880891825857929303221278370173101020861327069500967070122303886118638484698142646766939220207803368930934359648975052972438400327815641372640253861029373010184737889787667551359863135351590125281143956361541027849981873168197848979963993641500642857804902925468037815161136252018161885108074644062952802788260606802660724167894612081267561067627896989644548674746733700809475869957671835318932506902167234021745356602677"},"decimal":false,"detail":2}}'