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.
Build an ECPP certificate (for example with Primo) and upload it - it is stored and verified locally, then the number is promoted to proven prime.
Primo input filedownload .in
From the command linefdb · curl
fdb
fdb number '325498258779318933199042693942236505417801818496409028102644796467370906956315187444144350510296710535126284910318153433693755092851190509766020239755302136499218632567860319554860632715940014753449041354733856461926354824298343256296923813637825455162778189428744467042835924542091703582411085728879300170777922931241578399313873755947516359110992248741010689836305431529655925065157843136086595102203001167070024610004702956678309538844048897983966510816518199413701010585585992168122293807974393068249649075788615068536157613160047533701664069200725622466904279488281415372749137397013818993677' --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":"325498258779318933199042693942236505417801818496409028102644796467370906956315187444144350510296710535126284910318153433693755092851190509766020239755302136499218632567860319554860632715940014753449041354733856461926354824298343256296923813637825455162778189428744467042835924542091703582411085728879300170777922931241578399313873755947516359110992248741010689836305431529655925065157843136086595102203001167070024610004702956678309538844048897983966510816518199413701010585585992168122293807974393068249649075788615068536157613160047533701664069200725622466904279488281415372749137397013818993677"},"decimal":false,"detail":2}}'