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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 #1100000008790789664 2,231 digits created 2026-05-05

Value

81150293346362888657096630327237343997782204669910760229128852969250579743401265827537114365483876113813770333955646118876269019918438004093650637368926935768558296101949337191310177287820535358079957066730483844982979051214910470176600175107446147784605638793852203537505697105477260703614431152373631999002317068734354680383109951425906286053182954010777323082445579559197605930550430297904282519692321614064562665108567674859184986110446290839739938521634380088057535772114172439045157046858070600207500007012748766221880552298862413668546859398961959901623067857473287542729951295573693586632141105166187771535612619655713103601849163272846060403044843231473528709252548960835509783270419233730941134553736246247246078640035503948393127241658332160623528357774954449223230982219030517706664895203336128224496756698300268502385291060530836967558969704628079382392557499299049590989945389408937492475075234955679746866683951107702505367464936750547784618934208431587870825590190488478170397944385131485991417642104171048608492299003340464366118424199609650351796102645877636772293980404617916218814895067965797204416607692929956570236606917809371721990787335698978808511023960484010983368847114802997877184166751286854891495737484004927295098640425946739394830228708068086239498007266964887469010671856154533537674342587012969353603398311033210974764960629379886629943740517807734760342765031184288430285380154052628421934244076525541488047119172170645897451723119145541515883647488182218883489337699986187036307319238866071534909892646127005738568165028817990290720673053924122887591410536456494341619184473764982948134808619991051181687535371233769659595789558571333818059019091641582323278829526428163619108160968451057537822357800057316496429365112824826236142283434947120993093138812433696210873511256606716744006078892120853983249523248689921216027446595093254251944408846111456475055117784453459422525937843812855759904134998773495041757055259230074091409579145119547525811664122424530473129559859506745098460439864863056133721456080480793607201104683094678198437073253834514089519485858023618185686353718789634904995695574335644178736174740732000242849137867596063912927921065572581398937325930803647512467304075855350691
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 3,343-digit prime (199 intermediate primes).

Certified number3,343-digit prime
Certificatedownload
Certificate chainshow step 67 of 199

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008790789664 --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":1100000008790789664},"decimal":true,"detail":2}}'