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 '48844644961596698616622383793448816912866072247847975587511477249858279177190532042143669858680277231859545083494364631425514886518884239965976159760189215665827789062329105756264937098001023363061991404163997077785939558110878410559013545121337748276540283081306532588336594102904024164595920064182485026526050242686441908040561916122826382141187188449425480955998824139546060581457299554700541689304760812125205784963822311224460999979000731662442523102382418481011040305463100241788414364827855851244667780510735184976374685635478651964070423513330274132196763115980282002544138003161356502245277800030889789992836160885518604094054757363464910181792582215696054585458212295813408967074950069726180459998699539363259959147464433313945255390058237167090597784570209841961550707565074337942907328694695342974092194693769083554078493030827927432473871894503582608003164390705237974289174221883631270157395668592562533047693532722449137414131349283371226909102587973351584726478568400843729827871368827101362189774264509414143967035544900013408719397889569389739632845537076419467616661298671144424759296755142888168765945054689200451554458211403296803530493040453792503561409443617906760532623254664149411898756550721222337449009842600834429986186032355362859336249494169442501150816891943947664847746431288053756154952685475207714250158931493847229621627368632070002299270959201729103231996400716876349512978259577902338251578770658930918616025334369178534652646768056310098148101172802437026771188889351564661668213120616756015421197973417401538657418112612989605207732024733037089476876558243332014062584632967851088249082611676251346172523869513547' --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":"48844644961596698616622383793448816912866072247847975587511477249858279177190532042143669858680277231859545083494364631425514886518884239965976159760189215665827789062329105756264937098001023363061991404163997077785939558110878410559013545121337748276540283081306532588336594102904024164595920064182485026526050242686441908040561916122826382141187188449425480955998824139546060581457299554700541689304760812125205784963822311224460999979000731662442523102382418481011040305463100241788414364827855851244667780510735184976374685635478651964070423513330274132196763115980282002544138003161356502245277800030889789992836160885518604094054757363464910181792582215696054585458212295813408967074950069726180459998699539363259959147464433313945255390058237167090597784570209841961550707565074337942907328694695342974092194693769083554078493030827927432473871894503582608003164390705237974289174221883631270157395668592562533047693532722449137414131349283371226909102587973351584726478568400843729827871368827101362189774264509414143967035544900013408719397889569389739632845537076419467616661298671144424759296755142888168765945054689200451554458211403296803530493040453792503561409443617906760532623254664149411898756550721222337449009842600834429986186032355362859336249494169442501150816891943947664847746431288053756154952685475207714250158931493847229621627368632070002299270959201729103231996400716876349512978259577902338251578770658930918616025334369178534652646768056310098148101172802437026771188889351564661668213120616756015421197973417401538657418112612989605207732024733037089476876558243332014062584632967851088249082611676251346172523869513547"},"decimal":false,"detail":2}}'