factordbrpc · fdb
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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 #1100000009023544899 891 digits created 2026-07-30

Value

258993619404820022470890761491407398526682424254547939977156696455224959574163242512268011471321319485495808301462534889753560968562228478226738910667850679039797155713747196098646050152075230419874917041420389538909134346866915670462243852001608242311909128495355219316791576129940362646092162928521627670893414430244220518668003856055171031500708095443850234010561882869669456042916243240593925264782022781113083829461969243633100063502871801445395648348373728745927237420617098659900214855664796654381017107203457938069717245593450947176370105942736777710348775798567547490321801142924746478208418554958196280954796552545410339865937971888336299620332365153505360410220052284105950416356180184602888099789366986470289271373077241920224286375296913149085415436530649370838745387853241455178236694834945857429074728910544790022881216013299897307891591405459318866978716144956805663351381303
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 1,174-digit prime (103 intermediate primes).

Certified number1,174-digit prime
Certificatedownload
Certificate chainshow step 28 of 103

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023544899 --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":1100000009023544899},"decimal":true,"detail":2}}'