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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 #1100000008815873134 4,800 digits created 2026-05-20

Value

964924005338937786992529338750641281291218769626205686670202035069340050026532761473488766912843431380651188754554454941303421252616319373843306109520964737656473739182029654480907892503707555416322803963553922917458464363862581486676337822394084246775403195179798175670634579971569167554981352195779566237238717796535834622268458267614369958521589198283603251595848312631459866629491140140773436879667338379958180905202266458940112745332346858862567252194772772122914163467428577780264757450362234598191555611866465060297414511251736998051473688858700563767296313042377658920257465980113296061628984488122071429163645076678045541728421127693932089422117784278400503231515930486068884824926979692170152516075806927855010900009506825894667306136969943362004397745000179248483574278314080279711338354636032854778895027836609398064088399288454581206482795224044906792148013529987194338751786852524782790083049805514971311751015092244921993533927741709610390904231924398220013912538493593014197971996225673926566074180688345112189819446030217998762233690204703989444117927726361928544895712120406234185663715976051682791753870325175591636481510295861745431729743660243122211695745298148573926228600974405997888434868572995315277820394736553436259205709629733056715016732885777504010634599897738890595382192068403974057836544962393467613952728206516244048561131872202970445719545702016181564720271300702825622972700897454163831808575649955302171299787370458362081422052250999107330591921646007995958489150712529147986960309722601177455622840523052195108380624084625142090802244937360525192350268860470723380972034032934365413593899449667198358974520160310133002408431058642127609959678464039881621380492771938667482023712303420953892887313809191630516335432115193864548232696530792952554395338824735280273585283908590999723073498050215561193268730196604560151895121127298496778025648811224367451201374033734773342827790838442458280778067692869599309742667875388755883637061539720143080495705125952845286191901409185234005073306795741972101963769489222862211528131081878026852126479550284918371241371441141766389203557755725080555068607175381223791071161233656574905543620536946843927047123578577764335249701279929090650573528651917075649738168908220250305230295442159046926031804825567076181179267577543581607528031628281445210821589518002946835397737253120354253160554056701884364406766725094670592644782449047051004744413037531733710944394707427111454968123430278954945387409874507143774343981720099600879514176435495927658706330591052486700567034157781818150713541480198374122277310058017997262808238665560021862631222164457691903911333980788879878793068008018389615717491442718512007665003152665728551926812693149514447964680990945645488046442919952510266793378019792323152911267496852593237111836983278762064853010444813555807540795067346813346752139798297683240957143584142789999081234914476878884961377683397975758448229033978235968225794635785756718446400669803079239726529698577566563131808167038201418886086668111876024948532568626920080981601723754348188705756785865494575890248422265941439268988369898406038295619573488122076186270578632413443419457865993524001662336523273907576238688596743496173528138448599526147813042950198225750168074256705705097395172000725120049014262737867678780093229763346196131735647021070543453476010267016828675082787388697376868508470604239408069608340215939734108228108200531957215099541193944230947401628714333975147462141063756407791615797551327499414251669446767662674785133812871141598130600635493076709423867583305653263827574439060347614074815384556490257046061295632072497886006019511515682214592351611072341652807787932054637216746686658484034197338972168225808303734472752770181419965162794147280321398599669061466435045064423495287554521757070451034237634969813390203477718704464513814844667747018723398617153714838325334185270066159754485845508788173274368170427450220809055910546482223697872589448306259362672228934205566519900891342274988213551809347744508000541135368353936538873351819414985029338760986984684749941251654224333605222887630248973353540811827325566738353039761460772220424674798550717429891143189543272734418245484945518886279900065044752394052865504052300080711816152159824000479966871201426337023939397707478628510777406992443422575036949321446857983629568636153413584086326960963540506555382551798807411245844428614641843747003194534976785232552543331329821686204693372413693802736571491221980057570161165599893387674740732290979324069715690377809445623078834840690116790714493051267627926247868658387914862236705582893682461366266489446667735351087071380277557284075297925175898094807411998193258145535458022750318050291986613948173625943393224113057383821628534678334449701693284428257771144091300953215120546914076782190283209
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 5,209-digit prime (325 intermediate primes).

Certified number5,209-digit prime
Certificatedownload
Certificate chainshow step 27 of 325

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008815873134 --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":1100000008815873134},"decimal":true,"detail":2}}'