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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 #1100000008942579757 2,187 digits created 2026-07-06

Value

109521258765980539887557362520406622547723240059706149212128845370228993828996402390035336863998758744061746772482566923637803836620769339385458184815911844937703486868457795150563826996826484467381610751029714681343368671508226244842003275352357731860067279438006531476898626687511568578364269586643274004323726573724133450931067594893933354217060278134175029956617255480515233881840417876467433664672834034977809604016188373813192083673415590676923566248318839222018187458679439634535596828035007714023577077597906376262440174545486803221111859233825829288967896841306326992067888470751798477771001237574040517104953258562556899074459456015966492494754987461326436539312901507189962176936200508143170454785986230597418949390483654713883467096355301892480765254933875909958009310376219439497121567126791120463028930576016465004568805827493929939751820092068185152135132278467931912178102417117349554833490528621306656124594847703655220935128920708658978347623547254781367282876244151853843230073312359335431361222776607530000899831319374717191880377200266847973341047413922446627499683512202318671202081278720136852796925050153476188788489384471440673525772594327458641996405621446409487581567291260463626348150713923088087426033880405822840612012638859355627030816947849452323330884204671741432432604130351146017934198386332684110128806803783992478820260477978991695573576684717124661702238374121529633928063813402746842507400282361890835604128213581173052551761289528039250950663659505677452243105791556187333971839562548967439783750193194338353428777341841436431181536123082958329516082930928629622659031647447199548774590145747264664791384339000018743108383115739666267736698807744406086397035249273791675534094286091565571851914672544854214667777955260941482123638522281543467721839427966916966494501311919403918360305324996455840988722875923994899618473011166518178493544475199945752960164850501508796120623315576510524262627428776666115677029168142512829659322567477610276833973110079724265893700070380497416198018727664687230108299819792565783833869910873218670956543081206235762211153487661176756622013485689152909848074917408777542673978224435080494176422082426229064803396959
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 46 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942579757 --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":1100000008942579757},"decimal":true,"detail":2}}'