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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 #1100000009123069287 1,251 digits created 2026-08-30

Value

994466363304573173268192875953560728877486003726395321952032554307086358176408378568954570199868676544964154312239885998447244756109811058395992267937595265505084560420894472135877855015301041636891787699317591767725438855070247699546110850392596241446124896762279583559638144980544049637222795109819604356473172431461327840482610205588706494177410316702378772367029386683040572171431030617648232436160723461832975606286373781902730501862787991699248835219693038770732394736567673153885055709933881456414765238212080673438345698875506357554142685319971104320357252279979346108599158557194820368101084242132637491139985299510616504871207133830420623685979674734304570996463263784268566742904454630688889194370524086148107521638711969153976820588944737768294148659811178594069449352260625872209203056622474080831268884263138493361702691098868770048598230152899081297548074805820697809615103137380127195577670643021267431927065811389832927297915386975715292971182143732055057503576171971702376612767688495926752579317935957961303453304775203689613153299218064277946984960203357853352296836793355544743759753328929349308193445369285309584406431471640791629639680155820671424546876345417028850335656197679283372276560886354983483616486090413122534011213489
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 178 of the certificate chain of a 3,057-digit prime (308 intermediate primes).

Certified number3,057-digit prime
Certificatedownload
Certificate chainshow step 178 of 308

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123069287 --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":1100000009123069287},"decimal":true,"detail":2}}'