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 '100078859372251867143796088663900580818265965966107961934276029071910457685740809776743399371680411133841934343204551162347826850371469193496611205744310028851406821448139029284849062309325512516880700923905058106996350735671228750399364228337765922091547074027214387981027855521431869632370837709190289481871623762741445556716260094744236249470207003947617097121722732834024887133909168857418933351382937508324837334574826444634029490834685366255106686701831778369370443175870728660464906435856450894867867968409411462281769186027278508961824969048007766703137651627576362096185569975819204013518261302967986153384770871309123575123730885011412179138331121378307274780940521911447636396227155066069792208620915847668508792116327436411070538782102880146699386586690098854879440299983694978583750706598408531680601222011211316234350273634090586090727135877611868497249885107877675868949502441874386420776878377664501751702936705457158506337634185744311524487870938608933536669126295636402446270208169911752305695840473988535407779117133599394827044952299928100847900952159169448979847687137452739249' --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":"100078859372251867143796088663900580818265965966107961934276029071910457685740809776743399371680411133841934343204551162347826850371469193496611205744310028851406821448139029284849062309325512516880700923905058106996350735671228750399364228337765922091547074027214387981027855521431869632370837709190289481871623762741445556716260094744236249470207003947617097121722732834024887133909168857418933351382937508324837334574826444634029490834685366255106686701831778369370443175870728660464906435856450894867867968409411462281769186027278508961824969048007766703137651627576362096185569975819204013518261302967986153384770871309123575123730885011412179138331121378307274780940521911447636396227155066069792208620915847668508792116327436411070538782102880146699386586690098854879440299983694978583750706598408531680601222011211316234350273634090586090727135877611868497249885107877675868949502441874386420776878377664501751702936705457158506337634185744311524487870938608933536669126295636402446270208169911752305695840473988535407779117133599394827044952299928100847900952159169448979847687137452739249"},"decimal":false,"detail":2}}'