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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 #1100000009054574618 1,861 digits created 2026-08-07

Value

1440552907958605214747455628507110250172011725934025892090352690506603415861342271483075087565156234625051798894348959011005862146734042268825769782556311544568482648722807834257904501860119015073151580854766366576052617268296803855366395784150784488933787477431868948693289245040518298032568147910536310519539849901163988158586238935281602262843153649352346064707733672428444705379429276662179974284121387204482256199660210203712382778751276647457311979225621448490455702586568055558022632512344892889158271187875761649963116505740865684535814853273549485245491676363472367933172690573704942398542914849672003063971706077833693435776366216401630289300752153694212291964306448864708034868768285706138519193402778606698305809363459015961236597935988220576679085755918093870953951156642849666449615559047768444966193377299866548326862470471960852809040014943453755163611638865017711422071421813525054057951706948194156797181348525970839923146932128883654825106210550965466054439107398244541437880001401927583733561938451536073087216277083484934774260249428499013654384814742034498632181738327493524895754478698450589760437865091671722590324788235643390730437117308563655665755263003888947790744466535243989331896319376130210436031831053536904562503561838336271240253079987494142571711724283394001377688618663741544433965928388761759502903723452020315089037247385231909197157988159028603895245665658648208488128289093174504493830422073387436785987177112924841886082218635960052881816683385462167696282910231443402236745878327291772244803904102717961427111757835587572163081891356032636315711982976268615305141502949351020372457742495320175638452322087043535150795280815235603613005526007192107003436399137990031709925856712090120012860579083646916505015374912627864837783350943691587794761567347873361201589091723346286677958399954769090046809305524260677209342531
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 77 of the certificate chain of a 2,863-digit prime (220 intermediate primes).

Certified number2,863-digit prime
Certificatedownload
Certificate chainshow step 77 of 220

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054574618 --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":1100000009054574618},"decimal":true,"detail":2}}'