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 '298255119070214560279919164247920864954944437261862637294723829374451171805437575242250075637385683317735545739814935625906675315741568803533366959376258897097343160994295390588486871972372298779218510466998756049020021319430610562691193317246077991082071329355452460161030634719055161201596432120882855322380125064643835171337365404324620067584857322417390910923921019177376779028248367076809504803097895241667687719570929307844774367137328107' --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":"298255119070214560279919164247920864954944437261862637294723829374451171805437575242250075637385683317735545739814935625906675315741568803533366959376258897097343160994295390588486871972372298779218510466998756049020021319430610562691193317246077991082071329355452460161030634719055161201596432120882855322380125064643835171337365404324620067584857322417390910923921019177376779028248367076809504803097895241667687719570929307844774367137328107"},"decimal":false,"detail":2}}'