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 '70295238337811427693076820257960455989677883876092507439803810644366298448229846364548134957261160450060045560149931572878264273086164857012965986310888613022299843090257025072866270542709545466792934920131273409464580360320671610856837590733608580306567910154099486117496380206490895063241759311659437566970138004151886871740462456402318278245976691863068597059136336703043071329931752723165605562286802987904985102564202297193088554028367761891341291039881363053351372918533967572492454337271427462873227713784744166872742301052406328234673085069674866863846948563304363231568960351677366636041578506724086119521672426628346030862443509045313177109828271565375164944740464924513741852102225553080968806628164163278417310712938083189423911777293173745856526003748576762239627676503899611574731285669488083876072218141382068894442288035071092814325993455912904323567542891576953534024952936909462869860069829560457704019846921901663702826522283783491124179718076495996063743023446702463664261292585457838353928141554855591961924035949941391653921701256707388261466814426885131841552684377464258157528345122301540364615239478308619571061031505592832336365966418637603011672761298669976960961705897361573816562694276871' --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":"70295238337811427693076820257960455989677883876092507439803810644366298448229846364548134957261160450060045560149931572878264273086164857012965986310888613022299843090257025072866270542709545466792934920131273409464580360320671610856837590733608580306567910154099486117496380206490895063241759311659437566970138004151886871740462456402318278245976691863068597059136336703043071329931752723165605562286802987904985102564202297193088554028367761891341291039881363053351372918533967572492454337271427462873227713784744166872742301052406328234673085069674866863846948563304363231568960351677366636041578506724086119521672426628346030862443509045313177109828271565375164944740464924513741852102225553080968806628164163278417310712938083189423911777293173745856526003748576762239627676503899611574731285669488083876072218141382068894442288035071092814325993455912904323567542891576953534024952936909462869860069829560457704019846921901663702826522283783491124179718076495996063743023446702463664261292585457838353928141554855591961924035949941391653921701256707388261466814426885131841552684377464258157528345122301540364615239478308619571061031505592832336365966418637603011672761298669976960961705897361573816562694276871"},"decimal":false,"detail":2}}'