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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 #1100000009054216974 1,678 digits created 2026-08-07

Value

1208683156085080081158398649495795113162552549132949733495873333446416695775762015310369864338163901192014186528622550519439672201390293034572820735062868299091077253986576610204806482584940547976291215794247514837502506794054749762295297580322735776123459044098620536817452675063286609578106920116991654952298356762381075943907814277806650792093719639769119767676637885186509878999071012767047722939065547996089425982506454359398204449416974677415215407310253483971222177395913286332654321388857021580819527813467863823390329495286393602392121063053465746182671668963135059201818340338897702242452735979011699820565611889026005965764952911123089197904910546150674342059048705519841372981101194959998573121452571480497190651770279810823791514052834810735400480375169003855045524493403254577823209405418505684152758329277574178099340841653913387196597377252116420460908683152400350331228798361765422870290646991399622865827149474921956686450344463078031006131057193431353414414824793318187413500316820103561039238837161141476976173414749371860128866405108079466831919561937457192254384256588169797730788531705306790049621267864285041184480189978529299972888355943665418843740367604050608263565138934272027418289692688389181441879504535892386145745563793702932931910928409906133266129610885715631237536396520041501411323587800747213955487262801840607691589814862306546244833503483548035646963669522924875358837763044143308444765448025889101159028170290808727593977615023923464848726214451172519383681844711328463273999045221843363283562557647323403725682073573180271666896494557670270448111060965370223039909517319162032451495104721408457488982615079018988998742467138270694914189
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 2,214-digit prime (176 intermediate primes).

Certified number2,214-digit prime
Certificatedownload
Certificate chainshow step 46 of 176

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054216974 --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":1100000009054216974},"decimal":true,"detail":2}}'