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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 #1100000009070502265 2,031 digits created 2026-08-10

Value

152612792785041585441613007430359928849302518892014030762868255973730134932484834751009130867872882402213936916466522051885030234818680420211687138225785303389384838827928612916816601215555874577174755506647956994254423941428093748092999227959258028108848736111465788786370990317651309518754138087913192053565477812758481945487997546852876363379772441641030403947903233523181144069049078803744095925124838624884211976157759141041570160406569977468156933539952013394265637849058116919511145418305963198123009178274829660921808454632615425378954518099525870596796306935729870056809516835203308554364646440433559596799163218791866792304433925358525535617615190834294149967784302285806634586357887399389019318934626546614201244271891158830456146178713972052089160807275783922813169864539408475502363649006103178693943105210945617071452899676945866876697869212530231249410328039355031389978073409803021772961195972688005871832805765457921280099488463664975723885342489316263170893762865736812065394315827008410121847152803324712089605940087381205867203112980631435238481830022388076122202686950498981414236522103806343378786983430596059630205946678566180246919764952132209272641742392626010176423629156325778695324534975115450406967047660154071885432161825707004466646770802193104885223771125329573667221820242244873764139893661222381204434227437761696318357926444893336459101739091460866886183414476486906145836398430773990948936367175866144917966711492133474596482935734444096599925633346857084665507741372651103386523135831172474788008562381011330066688088452226888310165176723368893847032410826888375576514816264754033968214660279956598925010645963505151074773824112275666995383229167840536707110201916709965774306691042487853706740115758579189952787874295696697512008477709207081913769543578264091408654484338253375040216562671375476621677794748893379726092450350722696849445588963397817768687219271789275974366879966116630515778015652292164996265368926476694410425279908516125722569705231977734536408533647328238403512115481814283
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,498-digit prime (187 intermediate primes).

Certified number2,498-digit prime
Certificatedownload
Certificate chainshow step 36 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070502265 --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":1100000009070502265},"decimal":true,"detail":2}}'