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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 #1100000009063328095 1,638 digits created 2026-08-09

Value

257784515952086434817000548765276056337031434247247115987799060697465055403298959683329242043552124949123039425581531275309203127932664122087939528205939977568969464113260646859055917626484173498543757283038043044726795313838692099135028462640915990277502399114318907570977650545734495218830659214535737385244202975825890404117745500223775439360704010034550590131275218093313656907169595666531655287859344211160176686330480218893100876294032959501159065452721134105313794671604043933383803672934046969499611000532171308180898447767208252338945178418376011920931851650327607588827971437731915523482503297965311855160177324613111103210803910497354437383182876134809551117673904547551946784380782884244979902507237108562977586494206510608855868618745953002625552002369472809985858057876177324349858512764101447222412341502997074934009794979543640916311537448439005281017920415593123635480317794466589311868232742430131120383719784304324031287035652538417811933182091590700156979642376809563248053115655991188983469696645834612674811772465372096471787441347927284194609289094067564935588565827600951477111012116795684440354699638213499361216843007935766394136867693443955171511694635177760743596763483066158168125306359190604095869674129474393491253178659928604398030513632601165929176868511904315629473928437589339897465422128307600000929165389995035908117736275384249686331914015671175189732198128831697178906855118786539916800538829893379024188267666458190324119898507324692564900090528511842788953452360147821979899419225649493196399946545495211836700816162434572057771223330182163189962829441990312311581212406207170291869461358326232693
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 2,570-digit prime (192 intermediate primes).

Certified number2,570-digit prime
Certificatedownload
Certificate chainshow step 72 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063328095 --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":1100000009063328095},"decimal":true,"detail":2}}'