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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 #1100000009079970080 1,988 digits created 2026-08-12

Value

50754239643556624177002954866720789881236934022240941991780095864833430490467019876552746324014729723917253764746099733874325017383616972310357699393592613869049774538123154954499978072720615641645534316571837353033895549397393857442836935310477828585883321036359991272068044691309338752527366901636426267879590259473711582316241201827200694784766116944622084518065841566053454888159832576987166609137632473136448635576632307543614280156896871350491977077810023471642283468780296285406651809890047263527534807115011182570055132041705175564314944743061810896688393450310517303127333256098042430031090757430315739126780601728363456663962412499975978143012258894220575626724329927032059939239846725909262233106321177437495599789767232274599327560151999088657513024908087414305521456466196014241039991351095022643464785196017128288865151333423697640950513000071437319834497115765477016270581251453932756179535777036844406086760268160552667719292676197269216459314866123828428658766574824988141341076355473622140148826150575704597697908306255235519207263000448294710966880933702768456658337517943672997249694721502246058793722818061554043133460503845346039824109672652406422334382411371197318841218330198964320197681934494143377308079044010096648230249366032746417785792784899343672545012425882674885658392314319154217602798311002771393196191258301718323559277593945623665876745859765078786600390296111947000596104210556775472952347343967954850233156494053715283260065550051871993617623753902315375851314483166609561706627713608221362182534057984660549998420598821025888374780388792633174544314065868211562230312159088451947418592053726589696156588668801724704218775408406049391133838014331641216457663806716393622980552370186585650475646262185462123942435405681302296239254091337243787026278701263259048219436150845184025823748467012361406378078956063489929656848619017684382280847474164590430210173426432785546411808523692760355536376177341694677787188471139775585762030463480951439019392807
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,167-digit prime (155 intermediate primes).

Certified number2,167-digit prime
Certificatedownload
Certificate chainshow step 17 of 155

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079970080 --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":1100000009079970080},"decimal":true,"detail":2}}'