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 '824264318102487524402287245710920468641953510682023562220252762524036282469168409247899939275801284186994703846929663863361323617198092879779854530380142015495496763599309801705319749802046579498019001055514314365474345908349282249398898504488248583094925789834061989282144793260380769051681590740663704508079410336323651829149053050751983802552969765170680571555915055629536658718917907661885707340425496462033677259321869729337052640333343692877404479681216758323942363992350847162659036083046316771281879086786264748311248270267797565548262967888266981119390086049707386292486746206404876283046351061091597136624506287061660678153022785149684575397301528968571262334911970569981797870515845540515322899439002418532756148588063343794873495788138793083698200755414336449534288293173825613654324948523622395968761703049407238022671228834886332980207787186972199313142433256790857339201408520862387641875871155275119087015353147862381671560342646051244460825734406417958664139517147' --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":"824264318102487524402287245710920468641953510682023562220252762524036282469168409247899939275801284186994703846929663863361323617198092879779854530380142015495496763599309801705319749802046579498019001055514314365474345908349282249398898504488248583094925789834061989282144793260380769051681590740663704508079410336323651829149053050751983802552969765170680571555915055629536658718917907661885707340425496462033677259321869729337052640333343692877404479681216758323942363992350847162659036083046316771281879086786264748311248270267797565548262967888266981119390086049707386292486746206404876283046351061091597136624506287061660678153022785149684575397301528968571262334911970569981797870515845540515322899439002418532756148588063343794873495788138793083698200755414336449534288293173825613654324948523622395968761703049407238022671228834886332980207787186972199313142433256790857339201408520862387641875871155275119087015353147862381671560342646051244460825734406417958664139517147"},"decimal":false,"detail":2}}'