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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 #1100000008270920437 2,022 digits created 2025-06-06

Value

602745171716485694175629009899972776313958589425368612406095121625568594552011643113187081792336708255778473922755731265667830250642521110557170475221078343057211190572513300542929303393936848426959523876042383271959741723144393371279787996225942871519162518324245351092735075967206884590853206345452871338414705348170427541459683964715994092284602424624158322902591726087685663308339455261390600579270633698867424952535839644518821697124344316704029013203986147731719876341703379169746451823337595555595056178066655355642762481622797809235166590513807762600880602033985878946792322953951955061815585682387128423089759427254129208085211829074291768018229590946615007929320065392530266561280012711026683698209536726533397413196635594810760129822649733581089827050146405925316567894857568708227098461776059244712114438105251481438655920822371458789882637383537934790702099700813570508431379531537394178460747811865047007935035052132845950122946634404026154675314137037482947151537750573845725239822379853722136947591958728879783298747600694785558422036844157330831896226825265802207158456657750358400282048555222014785747568466152415713362149047461631001473711449142561180441585170193503287599820278873337742906558206969883281991322144569289907685659934297481933894496024385948299392035766191500684180091761885674687299675126603640852769392179494350958341254699755535174101590787786460279097952961371889730982763355872835684031519171302856938839721869264107190648782134376041335882116485954086119969709666835335760959376044001357407792826683643576724039316581942320610610858867697422674057996997938439206598407445189920390857994409729555015577990833982384635196585730728119289354834199460454954063315003609124580684066743369798258495276898202823731530636419476929823193750522834687840333981943449817644820016405230786798625970969529624045085319780162482263500661620380145368236873545179886215053109129048991545040022351232518958904002011002054139134481202317382682797258185372462049377426761213074141497882113558410930001821
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 32 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920437 --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":1100000008270920437},"decimal":true,"detail":2}}'