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 '160240049599653478928950652436711507411193460375662311729618093373026425911704687183951538213777532145968318282105882581620475805285227549667087674038762968306712546893169929881297284355629684075492387179939317624379761198543552088515662837502136951175606843419663562374961180966217304988098552674442211514427363688503025623915658309275119197160182676671620799258661368828637428257825293872340489824355120024536785432878175934467463932090563174010690731684725345980711749273324806089408134685391664822194614325886780002740673608629464359084858800908923297863429414263310518296342734191951863748224761295738133816702625815128265191594736033263682635708328347057992403873359224746364734386260259332420328131266456861897629015419850326040510576258782545150843647528955274189449773017053110093531770744460446056020054301774732309516179302542363226877902857391096866624972582250927462500734872935613356570414721011909507458884169760589220092159856525802437' --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":"160240049599653478928950652436711507411193460375662311729618093373026425911704687183951538213777532145968318282105882581620475805285227549667087674038762968306712546893169929881297284355629684075492387179939317624379761198543552088515662837502136951175606843419663562374961180966217304988098552674442211514427363688503025623915658309275119197160182676671620799258661368828637428257825293872340489824355120024536785432878175934467463932090563174010690731684725345980711749273324806089408134685391664822194614325886780002740673608629464359084858800908923297863429414263310518296342734191951863748224761295738133816702625815128265191594736033263682635708328347057992403873359224746364734386260259332420328131266456861897629015419850326040510576258782545150843647528955274189449773017053110093531770744460446056020054301774732309516179302542363226877902857391096866624972582250927462500734872935613356570414721011909507458884169760589220092159856525802437"},"decimal":false,"detail":2}}'