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 '7152668846517256934028628874098537113554699294853427732796748435143702177545915776061574932124860005649406638977405763759210616502872934341066272974135751131978717397939340386814801091859296586991883845809978154004438780936565947092755100869790009653946420978278073459143279064763679535795587642421878669077212904181506054465881841295553928055091514151031840622792637842736346573192005611658237979827476159439873635128265027926527143684050952522611124435263742279787687292678742084287395784067304919685213596592187281496755495589429350946614585589965421103996995794143194737404293905715484936007313654573168636660072777326091073208762041212556233800046111442254495206339602697526873836420241007318238728454037685831080225283308779539930426714098465369734808690788834768341778099972732692909627386090714286950194640198204388935131958840634806898777172414919304453027199140225778746712509917370210857506070095965990357017441644322740860939209050062441374314721744617246116377752703633511212717674870725830266569742420098191974225314688146826397' --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":"7152668846517256934028628874098537113554699294853427732796748435143702177545915776061574932124860005649406638977405763759210616502872934341066272974135751131978717397939340386814801091859296586991883845809978154004438780936565947092755100869790009653946420978278073459143279064763679535795587642421878669077212904181506054465881841295553928055091514151031840622792637842736346573192005611658237979827476159439873635128265027926527143684050952522611124435263742279787687292678742084287395784067304919685213596592187281496755495589429350946614585589965421103996995794143194737404293905715484936007313654573168636660072777326091073208762041212556233800046111442254495206339602697526873836420241007318238728454037685831080225283308779539930426714098465369734808690788834768341778099972732692909627386090714286950194640198204388935131958840634806898777172414919304453027199140225778746712509917370210857506070095965990357017441644322740860939209050062441374314721744617246116377752703633511212717674870725830266569742420098191974225314688146826397"},"decimal":false,"detail":2}}'