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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 #1100000010589209569 2,143 digits created 2026-10-06

Value

1423201071551015185128264293266339875691585193155645639295316468700374492467694351372452917256450581519531473744557576659459308359378256309849449849154989748361599800921092519767098965622922133968325597089420548932831146260695791415154412343307391986896460868137861742751399801519991691632252166283372958083920272158516902973132663873704460207729574267746992524755809674419617948095335973970516918354869652407795021876690626883206894718698251945567926506151968451323457520216876034778621355627156121232508162144045484704145723785250796077802916251623559643209193771938626360111604381692186408610091451441301032160033548390857957821916553104246974686411908623947207916810362703175666591939063886434200616942067042170309408288366424518184801908539980005771077726983012432411562753475619805496922725731894425003620917928303903191732183712722364808510401513322092515550325463988155602300949554068386593413149311650292321997111472167316645823126651933465891853531346155933312244402000565409949279605969831016660220980675063201533928111973738481092344050971601995634976606628567556252351900984026690542915559989043530633018905625088733364778731451214642929108958894946178951632073116963275953293206676041319694819905284570563622564759275976646962210591066764391210093142134137101667997580801037957612735375140917607930195347720226896779739969570804984943182610795556500872637585221602376667464050900245673585475214660581165386388500647567932050041499185323734523738310953604728790614601370656619570975181790549635382293638794364620716527635044610533387397459139678166760038076468821062831493636396134526888722916892627430075777863225324160053044456725507019419426193044632538092255384522140762047442048457905787349317720305392622045465570844829296115258348587215479478950818957582303667576761453019834521405242112935140210470238293837050215164492824679445931249634013166118183492739607161130686750383460792609793418483991802259398064960625834523902524780701197319525382609769198969977922470796993453872796113697260156087301331481859800270475784487659073379941018377874989887968743705123852684593231850692260020714444955598920967006024899240441832547
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 3,195-digit prime (326 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 100 of 326

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010589209569 --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":1100000010589209569},"decimal":true,"detail":2}}'