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 '4890455422633337534122858392887384540539786698612043145251711727294661386871369998954360288317795404333318500915258881701828882877835595368112414935697398420492021583573366611853501638644190064815566982259528229255088084330876329128925860519119203783407846642285761' --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":"4890455422633337534122858392887384540539786698612043145251711727294661386871369998954360288317795404333318500915258881701828882877835595368112414935697398420492021583573366611853501638644190064815566982259528229255088084330876329128925860519119203783407846642285761"},"decimal":false,"detail":2}}'