factordbrpc · fdb
Sign in

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.

P · Proven prime
id #1100000000413759372 199,740 digits

Value

2600931422…99<199740>
term 2^663508*4025-1
Is factor of

Primality

N+1 primality proofproven prime

Proven by a Morrison (N+1) test, base 0.

N-1 and N+1

From the command linefdb · curl
fdb
fdb number id:1100000000413759372 --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":1100000000413759372},"decimal":false,"detail":2}}'