factordbrpc · fdb
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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.

PRP · Probable prime
not in database 251 digits

Value

1479378129…61<251>
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 '14793781294548288161809335834457093789028096467893234561833917324319574143184125449088983785391492666259352818830458060835503322141866305331489848447230041680914100181236485894571749134898135380543790639175022763636828865814909037654871006974645204361' --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":"14793781294548288161809335834457093789028096467893234561833917324319574143184125449088983785391492666259352818830458060835503322141866305331489848447230041680914100181236485894571749134898135380543790639175022763636828865814909037654871006974645204361"},"decimal":false,"detail":2}}'