factordbrpc · fdb
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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 #1100000009018865783 891 digits created 2026-07-29

Value

214913350765321145636339617051526173034571371790353672528160336398404799448498420836827114470647255561091896201579230793383814206051657742543929353237156503937586407305331598913611811855563770993596593131530100811574287306298052552517209219738791187045549660063431192140625442857552496822590914027398068589351833286130838545228108392000837171555244078671957191739776182905780087945811512230649441108418453872179025489004252702914842017299136596007078904230774105058170393768190325391159378656572469406493848618769493583629086013892715957823389399926145177012163828507773257062986642628185772170681907542660537905102445227968947011484918253664502048897329876357815668860458333530434736453264352545763202792141956418783564201448122469829207422489590737475527914747247807906030389151689964522625869179930492492522128778724260594219631339202450285492105828242674641433026530076865099562523109233
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 1,039-digit prime (69 intermediate primes).

Certified number1,039-digit prime
Certificatedownload
Certificate chainshow step 11 of 69

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018865783 --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":1100000009018865783},"decimal":true,"detail":2}}'