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.
Numbers below 300 digits are proved directly by the background prover - this one will be marked proven prime automatically, usually within moments. Reload to check.
From the command linefdb · curl
fdb
fdb number '472115064628490935295132154059631664618895393991516353837295175027033451899908553193334210440603526711518393303331391922228339108521767642584748059514123011781748370902343195088304626956669406497518670783876382124978838815453013933766698448206268852050203743424414433965859286171180027287' --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":"472115064628490935295132154059631664618895393991516353837295175027033451899908553193334210440603526711518393303331391922228339108521767642584748059514123011781748370902343195088304626956669406497518670783876382124978838815453013933766698448206268852050203743424414433965859286171180027287"},"decimal":false,"detail":2}}'