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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 #1100000009080761499 1,775 digits created 2026-08-13

Value

63644657180125095791120471996102701957688186479211320923217581304961127939663789876898982289351884153080078242904902514881118795012151768014536986738251710645163118898080084997403132113917629076843326402981420685846226802220407631576694313081953043296509905381515132838119481199084514924393902207959886802391996525739121492690387167788217651237274163072231014913261320614889984984243939478946661866495640285242101938854489673288914719173710412233041175600302400439715840129360837394335873074844310723126188810829632911058022031182172387423275238398705724168347079598765794067447582074257564665882116889511485146877748579831841065847057124235088168861026568113444981500900486257487696686146391997208237989405620062809604942692546124255431072933950690235494024248148305946683180013202798331501637230175370400545410745227588113477364477675844918469255335932800620869092059880211237821157364032136235230433066583227559680641217098293086062714760384383897607501960706473121054775181123673448755560574937867749819412165425878832096774160255372213371351040722088391789927267275435351009412817488021013215030476932664499206099281428467026980267940546776356727260434622186905061378357675606767914094568353044430028345254851454545062358498305531089524144481110655969921836583186806271863488593595554986375785659595679448968063720856040717689048498304548264682920332123698174979926751848493546826239443806572075322556223252323022442946458089614855020578900389270269196787424511451808030830940325939444226956395489983133259712554919906587364858247046382953025043214614456149262917968573927200680296532996464993030975755779514339994127674945408106458112888703762971617852863225844549476499661224217190464529489559028662718225337865635928855883457533315411049161339602199603135416307399753
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 2,184-digit prime (163 intermediate primes).

Certified number2,184-digit prime
Certificatedownload
Certificate chainshow step 31 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080761499 --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":1100000009080761499},"decimal":true,"detail":2}}'