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 #1100000009047397027 854 digits created 2026-08-05

Value

23815930756238112631822989896826447763620576575673444541321610832353204471537311705507669591255772389530674813356667631241334685369956906535053192035059662099763185636114602129609968037369490238573129383424339928200987649656513098352949523920748785465061803588028251998828909192487576024997136692387821895237296640744366000056842944833633135762518642803885912381110559523110471676835101716379789267054269849445013958062249446829767504869071848953246886921732144403392805846020523616728435531970553313516653811058144979037593314670647216673444689502628868785877210636326168075708340875660614806752379155752234516205153406855507116601925150975510211820678054499112352087893639816290618945761844432532192780955136010839608221950224172545571823373069241713083049812858785000730155621139286467021110653462900229687798802648813685568749478740557054957720807531
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,455-digit prime (123 intermediate primes).

Certified number1,455-digit prime
Certificatedownload
Certificate chainshow step 50 of 123

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047397027 --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":1100000009047397027},"decimal":true,"detail":2}}'