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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 #1100000009070502224 2,248 digits created 2026-08-10

Value

1352304673950384406483408926418211430703421412345812089717073713619953580344938521428722714193567056087585142154127364682817776168581837947164743038993753451054322604569349664871867397149915415583323221733256628367406108765818615781715766176305375725285257883788535702179204239239605387198189363893589559772433729650994520387645590681934683838280800969416043106106720857268700898784520433347345050093768533269974924763431618912935864616891826152444190161906950259182367763275253018929397847822876631892532775199885404534711456414281391743854437395654621563388431544775730137754656402971280279083556283631799632782140522643906073004922652315756184654992505181181751660525682292667189942754498735000846201630195895789326413544728145647401155651735138064660502735503362517734466105822733693691434164691976373215322070673242093809389328355970488351115440569812686189597144808485475140688982254791805457661765822655337228458764390474760986426257097989426553633068598543054297526176116799030815652607348017885199249421915745254783315371973823678864407648181186898520715932754378596459725130452493296109777201390417437896592685009826707828354002039319109806660841732688956963062613103071151929540877743029261016468640651035396611111316153811274410339839381737184776114604909230370452801586591270851782967205238459861465898504841422857803470354028830528728678126202446159052773464175873599372143459975899582359876943649595601005456129333647053326129731643554561454444242533231541728134534385615356872511485936320773439944950127182436461894634017606625147536038203291875657564077539395881269312245201166613019914618383478405256511178593667627553485979837486244840558319115897806294157364562140291301856093402765418097484258101426083824489557931449401147367321102447881634166994855904592530427287758254634238752519371124609922551855147714026469283110983978506220035224620123073188903191395168006214875865094256912437321753961943263964829115983721187882326128155837613327370666121598237384826659976761174981660190241264522805593992806703792375309864426158449342419101725961150316758013802845631283329013108334992339581915200925866449660660777687463462109811329960701151053128843273258832349086805797900104658545558448952875990606764889675098676980417970579419
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,498-digit prime (187 intermediate primes).

Certified number2,498-digit prime
Certificatedownload
Certificate chainshow step 20 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070502224 --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":1100000009070502224},"decimal":true,"detail":2}}'