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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 #1100000009102976163 2,267 digits created 2026-08-23

Value

71476875445085001815898969046681099385949490433213536325433352257112267079480122553266453857759586341988777877002058504992581884911629901593670484336745614223692833755833468442048802815020730345658160192094186647975911249564535846762272885855690450267103035702023649217680196797605106344864482071593254272484103716942411125248040318135513876579230222553925861921620999341837072802951543675822492493220803791708709388541518374177848269089006829526447513907940566440443795796837094193504589561121690751032760893342789457038280936144544597143274929638295994650187258548535792153265982292940715311273372856392086243436668112370246911774389840836182974913982001851244083734224972738757250129412683211293043394966545328893595463446406473045423760280090348259140700563131811528194306623472765944427539617823244393051853485880280758184552096293450250600082762463774318634431053548226672643530806449674782144254133030825440641588568529034443450518128026291245416165107716056804409389205636899756599085381920214147325061040953666729883436407279869312931881106773156069276326032504501517253346452940425439783157948929085874597996452431870038726823150934236647019562593772422982679748781635351004061150522519537825792216813074579053414029198806161730141123604706217475032068690761975353018551447892381052912885418334601859955573975902305880164831407466364117372616969401837993318938612156182844309139167762791554670818812198981369509220801415670078165461586514328746284746412981139777428129063829748817155919425811358883178457861485096682601626206555842380479346779976194137769388860210506674861885479418074610685553416117547636689910957902013334280749809715012925922980980746882910756696305142182294797637508459781545925697772080392191628138154362029418517386625305997557463470804328832547376363783433855639843080212654982675037508085243390362279252990387199527997701623616260039968735149217355561358656610099675987345606156685374670898589695870219622086397339542340677635170269587939772392208155464077211071343788995981863011955689073059928669425666397686280003113547538756848658907766562308718281385271973623726370344215766065486365862641543601797944714994129699491909418192038659336405755601964173733771292153558310673712697821571441957370492150925406527474471696855901631267
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 2,985-digit prime (222 intermediate primes).

Certified number2,985-digit prime
Certificatedownload
Certificate chainshow step 63 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009102976163 --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":1100000009102976163},"decimal":true,"detail":2}}'