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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.

P · Proven prime
id #1100000009065128286 2,175 digits created 2026-08-09

Value

325250147163830414144216532477081729365694078881655434078227042865599838246674149751060066413759292903907379186745033246445929755853636950922896206460986254751275702541544312276358664328102227378782490074565346637975816362850645096242050494544981558194853978348527152601954446856016299328553940537305672458453482872684220460899398874125016432935289710044367273230993333687322826431013929194948241402247541729579787509297615675091433293482884028874138165498634698911968027508234816368918115423313674124778175771777284663998623741271291849537325516327602633086868887133872036595911445277858358189649318019624334318041977485559637944943266670177169075275909129833511502390763938410683640114846287482979719336689752522881048492290513801389488404671357772510457629633631472249662107149890203366797486440431209625902143097104388620016517183755604780980243294928887729640365407338995299834543283391106016380068308142121411254914685317876380033131378059378628474872442934641631243923021492792060967034694849150268481511894895691754397860010503274175804747055521298152464373229583160241456135047223269501547989594797223811515450276589222195315781082366143223811589652499305589004490023015875514805023942096061842192733328149011527956942684220845224136396445339428330610123097318815647711474193305885295444784673863310585471477744175651307013339278289717363673092715731765492203064564985730679388293029841668901341643702215641730636641686922374789011606540039031190007339717788453419015523759540972658086307790640147676772999515951144101357765402906966357498270771699739846212954227620690613620280679600786692625674602289326667192822727643540775691215146524878165413473759995656034959194773567391258772125235025158419361928578187571941319790028790650784824674627774185801546205318693458455415003202325535737880896414539880203477089515938859336224294493093017852600855538578051400324166100793372995764670494787354154075010570363747125642278410214976920852339487028109122785671547067731042753768745069342511094830428938708849950288833888550066663502541844271886161567613747077337946683638206109651190619031389230592386450232116089497016791090128550536149933856375802349272320819278955519
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 2,485-digit prime (189 intermediate primes).

Certified number2,485-digit prime
Certificatedownload
Certificate chainshow step 25 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065128286 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009065128286},"decimal":true,"detail":2}}'