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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 #1100000008801223433 3,548 digits created 2026-05-11

Value

18138930961647356210945121788084718660415518949462241037030101385323263193352849141252539941303633517149389728351995464925674434394273559199344465860872566667877931828637802617976045217943795358263101352272649808652022786142100311064636042301947328406148229371711448975365204828768154212834350610512671273970303853290243814498193495415504820190796750589193313971033929730809953700081648506634836152373443349258859841586787221859403235233650018426630192032682638487125095478469687172553980265621801539059824629340723797386821870475127805892596195082563945878491895138437041054314191550131235963253130305368764905497231401713322798054138182271593858650558908965476282200666209701553285287580808430345284774442455024875494393838356188478133046026536651580972601029996148315274254455761872953059972984720256471386148908030335537213612933528296702021447992494520712451836100239578962478952711298919738143622665179736421718968246742895911319594024427648201738039233632148919492089404137190446759319841771714093029611723277135896608898739635534326380703901985226544523652433690936310681673709477830108838850367479488421748878969311792912197189395090977498734400713229388989580794390485293366757658635228983689835823432032985215012449310586958099827317007224556283424496483178482051882078432995097684311215346837398150849234862759483763583165409687010224208048254685125707234071684365524144482224162748364967022743446697092617179205238718028503821130637351925924589459161576529905536328015763220762213677197025102298262817740804913030966311563126123764364911283467121224616352270791998387776529345232176504909132117702935057689143400082241916656122387292793073194005845260901986927433482829344434487962302611442026808059571229347248779161501292257132181325401268077290076969035792661814506231727953379507852640185014803120663070365868490402802973531598101034735318875667105453430861816558386419414154330924321810198512497623436227752705305196143183575423228861625354789525523522908921662757070515007010238096323615708843973773568071743250773903993630619343007860324229653815998682744163038105513842449202293642942724030395893911833422734087643940076867076792408646891810584938929191259232772903375391538646230940336125536714600227238418736023420177349462833435499693841133418938425215575526726557183752086018092385831864259977759470551258890605570094207010986719129364194823751093593433667035212050694889039209930286603166553532493566837883492525268719288679573806586621869996407237484314988184490792945084012345278402857706448714610338310927195510827055671882906993311820284321624243433940610779193007844994266426044513492342553585308662446636049721874515707519492106500648983030021424375051476938155258439582645422741296552283186649760260882578314734523844911482304921127744539515952057145707853101244859108205324327939350881257025489116981625186489302683699887147289890990832498867350822787346445600814184764556998176761156564101817193413567147188500660133283808605718301879463368530079862779046992665233876607615429144833917677222902389264164681176782911169614051241239226106439500475695332343520974098680431412638007050208273259100056127982774072264910633143086095233415242349763161571546603287542884042176670077052889907617752099306927302345546767220048776846880412446338728014022759452748842232890641575876077680002735896325385691677149467488741259029018892631330828759519251171846250989002049629896099052187775778915354541759889522047481909243950437865779639708525804385468007128477227670546173521163686569040370516175194726192019864101651343622311
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 4,069-digit prime (253 intermediate primes).

Certified number4,069-digit prime
Certificatedownload
Certificate chainshow step 34 of 253

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008801223433 --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":1100000008801223433},"decimal":true,"detail":2}}'