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 '47150511077827387708529461838930399302150568809260310308591254959321656835407907844966176528971132469593115211438476375374127846156546598216952156752029696635389789918334128295791527028255090721780689526059866706503107907149330798923405180466254291396824586411290967229963796281373990461745672721961749848142262875562230005938300905459964260598359563655495320017347008447213871226182975733208989871473486230279719895218552040935721185390354797969284007869373928531842176433815821361789810621993920992965815787387281971892513658079979868739048785462376132766435917786563351315361509154400870982112897286904309441792074199368885374990279307055203179302087917873770616745509357153906150952743962277611536483217917522609840180156115652988466709807576462080050089160023696077983100890707059614228130482544420124889559138878837763374987604797063338785155525111332402988543133006442276370348436380086430088876630911032180436477135338348888457662395592595159559594335077756343023605714816448858646202813189228096834359499171035078098853740027479621031179945128922494539991811579129891084361929317391471784915469794256011205525735422366006460333750125141204393742809614698788991828786787467312481818564527330195795223310550994088854307298581333550708688559313223168955043246016171274863642629098546942818790210669717216842145433838899281558951753863250545907209115494795985977947844556475587194811700094406942185838649732236180886424545038259275043811834769851916348528078969103237110146519686183851959072885944921437416100791258362635119097971745603103024187' --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":"47150511077827387708529461838930399302150568809260310308591254959321656835407907844966176528971132469593115211438476375374127846156546598216952156752029696635389789918334128295791527028255090721780689526059866706503107907149330798923405180466254291396824586411290967229963796281373990461745672721961749848142262875562230005938300905459964260598359563655495320017347008447213871226182975733208989871473486230279719895218552040935721185390354797969284007869373928531842176433815821361789810621993920992965815787387281971892513658079979868739048785462376132766435917786563351315361509154400870982112897286904309441792074199368885374990279307055203179302087917873770616745509357153906150952743962277611536483217917522609840180156115652988466709807576462080050089160023696077983100890707059614228130482544420124889559138878837763374987604797063338785155525111332402988543133006442276370348436380086430088876630911032180436477135338348888457662395592595159559594335077756343023605714816448858646202813189228096834359499171035078098853740027479621031179945128922494539991811579129891084361929317391471784915469794256011205525735422366006460333750125141204393742809614698788991828786787467312481818564527330195795223310550994088854307298581333550708688559313223168955043246016171274863642629098546942818790210669717216842145433838899281558951753863250545907209115494795985977947844556475587194811700094406942185838649732236180886424545038259275043811834769851916348528078969103237110146519686183851959072885944921437416100791258362635119097971745603103024187"},"decimal":false,"detail":2}}'