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 '5371601726232012607834050479198279750527662431953663491506350797186811258434347475496312435140624741339328585022145159542767713861269596380026876002101540345503056224005707742146925968520105586513423461645925782160608361164477248022326439141866870700420474858225117363553176626896537343193054288425719222848653110907436717530820755100687359998472555312025725078117179575099428534699377667450062066206892809478957057043217270438572343134865579840514487869553787630944796407681871898782228242752607292461862919395753496453569824560530949453947530775016024852635120349003424384967635641418785506433440801796975946435620311119975204796683112749326751247718679455992919902142846756887039358660801993197012485407470034831226813789107848122904962718948093092862184861527967454672722990121241337003892209781199238860108128141584131105089631153342099339444129971706643612956949435968966032497969455888146044142368611289643615117489829625571518023668935600442448589791179218947447792956988425089193725007434830342812143471281123210524739918647860619394961567401204372539300333923193254792599797826597305666786187673380083334459881435549909080090305834535110392573362553240863029216700997138316256732271502627958996987892656007' --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":"5371601726232012607834050479198279750527662431953663491506350797186811258434347475496312435140624741339328585022145159542767713861269596380026876002101540345503056224005707742146925968520105586513423461645925782160608361164477248022326439141866870700420474858225117363553176626896537343193054288425719222848653110907436717530820755100687359998472555312025725078117179575099428534699377667450062066206892809478957057043217270438572343134865579840514487869553787630944796407681871898782228242752607292461862919395753496453569824560530949453947530775016024852635120349003424384967635641418785506433440801796975946435620311119975204796683112749326751247718679455992919902142846756887039358660801993197012485407470034831226813789107848122904962718948093092862184861527967454672722990121241337003892209781199238860108128141584131105089631153342099339444129971706643612956949435968966032497969455888146044142368611289643615117489829625571518023668935600442448589791179218947447792956988425089193725007434830342812143471281123210524739918647860619394961567401204372539300333923193254792599797826597305666786187673380083334459881435549909080090305834535110392573362553240863029216700997138316256732271502627958996987892656007"},"decimal":false,"detail":2}}'