P · Proven prime
Value
7410132059…17<3588>
term (2^13208+1)*257/(2^1016+1)/2458638974035448122363534286399859927520245138374969…
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
Primality certificateproven prime
Proven by a stored certificate (3,588 digits).
Certificatedownload
Certificate chainshow steps
Uploaded byAlex Kruppa
N-1 and N+1
Checking N-1 / N+1 factorization…
From the command linefdb · curl
fdb
fdb number id:1100000007218369873 --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":{"id":1100000007218369873},"decimal":false,"detail":2}}'