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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 #1100000008270920369 2,170 digits created 2025-06-06

Value

5727017144145787884662461970244423314051248732571520635332813006547237389344062659363862851039941117872795569464996983077752648901067535561125598059757619664908890833995095678903846702490364107425272666134421359110091800837496470632344957436137196840086280067432137863639604781000768295402071036664963892198434736683551729325248566962918453067014519766961687924076066877799461786272718182091447370075436847671241093232773373252317038009359969328369423265049314482207147287317687756954850587805863467456144186806317287588162550825573222407813377901771944810431238599285544281458317292671307885773942046562739133140520981317431058767586078898323464218930423476054230468102071273393250606293887507359061834427151053950600209258482886309067810235666185418631000117000101212684404395811703060107488487280518355869224721301162100808670593391656062681315130593425954275361641220636970758788885981952797096883086940445865450349328366182045502887409363047668888918587238796507235397696727632023725676360395119766597505392377790428807284545123189893991302087140924830106795410459411639560275109620924840080686374840327996735925015851846719419610873924573931063865390403043479990243921991621489569069989051917419395824134612813577580546256085870674178920322446448550269756574736297814335980467998615995985552898125202353551381913133268540081372817414314010075410119118421858215475881338707137894908542942030616775529527546673303084427195965064653446245870998456340132346183300942290739967711614724464517932307285576477098492261406895247863048004691063912850355617653809344029814049164008002462893614434978968245292566828822069276500288433750053400226020607384997301234176936365364481874815172995333439678027502772088590971112173356561399660085535140994599964789915400906495245435414718416529548675510673446908485678730982587302640452819738975121638023484112366344075187349377146977384594699147866104593731861914656607972258888929464901660325684342292110922382956252954041006707064624602500959754106089141678747207092031789703572618263979290041731529883303264052483893072236261718847393174586001242523834655505136412398791191720745294051916163225470987525869262851415370497070470307
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 17 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920369 --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":1100000008270920369},"decimal":true,"detail":2}}'