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 '10531447202202987748472566250926411631232984390603487595630921951842909574611004489350717374447055539043844733599349792068989068405506561852877134977757281969988452583811365574627683697202324040949074630760250889603394383546672263416191233430853330066851318646611395324761814943258439410011442840270111125831983638923263855549171679008184282204374697886120448516009683443207191168611634773302984765308848680930924622169980454863084108865416118659017636137696905975265299006546028716562154887717053852261904947608133831328872805144294899149966542030162887670490200189525386604315161669310680377654414083009041587222040380195158822722369565743472535262915053699512914080865465381627624630576249220067003603559489830447133789154325170532634033677565584752924552031919584220134633107290156602376699941428880057115747565804745110260962084763153796019666924906156419543855306167240468091343441284479069046867243563613998957427270811090340897000635314312080696259222005957065492197473196871994298081245294229277354421877973357044728878915541187423775029700549623475172900347037388691021922048085683250833675369312649615231159685684787840145878050516009389964746819619' --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":"10531447202202987748472566250926411631232984390603487595630921951842909574611004489350717374447055539043844733599349792068989068405506561852877134977757281969988452583811365574627683697202324040949074630760250889603394383546672263416191233430853330066851318646611395324761814943258439410011442840270111125831983638923263855549171679008184282204374697886120448516009683443207191168611634773302984765308848680930924622169980454863084108865416118659017636137696905975265299006546028716562154887717053852261904947608133831328872805144294899149966542030162887670490200189525386604315161669310680377654414083009041587222040380195158822722369565743472535262915053699512914080865465381627624630576249220067003603559489830447133789154325170532634033677565584752924552031919584220134633107290156602376699941428880057115747565804745110260962084763153796019666924906156419543855306167240468091343441284479069046867243563613998957427270811090340897000635314312080696259222005957065492197473196871994298081245294229277354421877973357044728878915541187423775029700549623475172900347037388691021922048085683250833675369312649615231159685684787840145878050516009389964746819619"},"decimal":false,"detail":2}}'