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 '5492987853099796692870519781052704810356331473988479414390626613508355064802345439161825203683727895353159505503956492227142703958422793462248804262117514186617244584680211467100762659967390702694438875170710502142703043423196249094322975607213229168493525893745616977021070849580179514701417768479566348545654951514233053347461145415740910575387706078397282452904010542053744798691369664999909568589602283191581584561307082859659997437511861210789110140149548809371411956209178818999518124379208802893594073337889983952081831592512415371196943425415567528356982200153255136728908860626830795807028025304081196817112625788459126961673164281055348874275971642932838296924723701006964732887783779328026692031663893956827014205951721875236317439800887209371532906289932820847849722525707713903778293110112240397591070205276877320542680791730251307185393265832427545226463761162030262827155927988260994440190143742735999752349376560038923330697240490689819672828288635552532278720218810463278620504685859627729562573123579088797311029001305873269683106785803434647887411056440578357924667753973430435484072275276681608194229005059' --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":"5492987853099796692870519781052704810356331473988479414390626613508355064802345439161825203683727895353159505503956492227142703958422793462248804262117514186617244584680211467100762659967390702694438875170710502142703043423196249094322975607213229168493525893745616977021070849580179514701417768479566348545654951514233053347461145415740910575387706078397282452904010542053744798691369664999909568589602283191581584561307082859659997437511861210789110140149548809371411956209178818999518124379208802893594073337889983952081831592512415371196943425415567528356982200153255136728908860626830795807028025304081196817112625788459126961673164281055348874275971642932838296924723701006964732887783779328026692031663893956827014205951721875236317439800887209371532906289932820847849722525707713903778293110112240397591070205276877320542680791730251307185393265832427545226463761162030262827155927988260994440190143742735999752349376560038923330697240490689819672828288635552532278720218810463278620504685859627729562573123579088797311029001305873269683106785803434647887411056440578357924667753973430435484072275276681608194229005059"},"decimal":false,"detail":2}}'