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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 #1100000009075278969 2,443 digits created 2026-08-11

Value

4925707259547951763717784383293644235508616495375067322595753411174495179526555641459005149143202139869266659751783143565251407789224235835326334335664309054089905397956975294081532236137388792415729165422221325095611738101094873132619224811046725258371997874265386662133425499045251592672184587124455952255854315408084258813034727168943233750619220881577529309902004922200444042715034562479646741194788026680115656616859018928522117931631248194513141594703944573084527193057852959743846846040724494424964951617151006324991375534231765574578533458064830125502338429393244460117728781554548483208205683202381975604323991471657018631376506588066880191940209226457870868140839843217815039097366817993203153003188709950947360904343672872532869316323789653306537080097385634311130871022136673449681542825227515277577254079397636059533783701224022826431927430785321173284625390540922379787477220509580509017010228780400807802457198753921513254219435217048016907944133177904742917336990195988894023247146746967959013972337918783079078613078775306722076142853970581555673875103882671383767271144508761345781929523025169380020817002647552400017288531331786296403998620916402456452778283375656108543452509677264584763798716686586464633260198345561138065901765379466763769536623838481306864446827359963005987524058670212270323337697941790089039934710099880994031136183722529490190125454346457056233631897450845661501269536572232627179244392494186893148896397498209248456207056143457654385443839968923311709739344015546141664133448991486286753536909976893196223542312795085646842395433191352720003317507321544809778179652548430468047070534527086709631946356039659551055818843525777345198988691773571492636695705616903088129429402491230722960524822090736724080262670195703500910618130191264649407730132726506385794904761571535626850014542173437857792919436871125426822633590671467856874587498361106660315502089439218523655632527674662626149938348761201192807117846706748325541290828791986996864345462341625568368559563215077452363583649056648874622921506689391204329654791458015842498918191357852286153054330334066090665706077273043830435193740289218269644589945705984633291033502608194028217637621184455676198658552831429299900397926603613777870812969380470132202352038216143831351855302231218856208983974862418251080104029754319200274041912347214368909140226566929674268799680463421737084859846272942916516760963963516644517353380936835800782897983863627
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,656-digit prime (204 intermediate primes).

Certified number2,656-digit prime
Certificatedownload
Certificate chainshow step 17 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075278969 --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":1100000009075278969},"decimal":true,"detail":2}}'