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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 #1100000009028283851 1,025 digits created 2026-07-31

Value

98324799406781666787684269696695218445701027606968292806920918086031901229146079017766282239748353447610758485762283349034451521840185320116304847700420530256396230338970114263725922901823391029706623748676902715901016188208270375990846782002607846531292237871744779405974451053700781850994457791292332927955642902037201891597572236201444978503252603944093042617893181385588152901690192997943231466492977471045671323972831423080181371289264777525077987953437702110549670858010527611757418725819716367044830277079990671060657044402838674550107367861360576359230109995618091183520011836940160139779195971002604405539902412626610376568259837181774553008941606671736837827406354204975251217231132179871888896249823647204862545181371900614371541973854286945841888861868715964573676769617060285418549640691544644169485344155519002429593904918706084919954796851613591789150466248335564943834870021783711424880299041859612170570825796592448525615911810707078361206006330140943530318863870594193717035769024566635459018900728196877413
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,201-digit prime (100 intermediate primes).

Certified number1,201-digit prime
Certificatedownload
Certificate chainshow step 15 of 100

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028283851 --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":1100000009028283851},"decimal":true,"detail":2}}'