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
id #1100000000845420180 20,929 digits

Value

1808499453…21<20929>
term (7^30985+1)/(7^6197+1)/107869208339862414181
Is factor of

Primality

This is a probable prime. A certificate has been uploaded and is being verified now; once it checks out the number is promoted to proven prime.

Certificate31.2 MB
Progressstep 900 of 1,486 (60.6 %) · frontier at 8,733 digits · running 1 h 51 min · ~97 % of the work done, ETA ~3 min
Statusprocessing
From the command linefdb · curl
fdb
fdb number id:1100000000845420180 --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":1100000000845420180},"decimal":false,"detail":2}}'