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 #1100000009040879785 851 digits created 2026-08-03

Value

54925154925064872659425081468980670391397617410659628315904234716327121793895202318191375496969616583983443112868909356972718901913913378978155975386100271469623258607759373021036829867926080308575137999594484269994100327646814844191511768980098905603084590752657488502319268855781327232676158481680693711501405222025416144862920844273753837355968515364243295473388141322456121479867447150176321047317081627348466904625713803068618294535822554505065746273277301790373044888258516944114656008109588914768035699930598639588268738060928401656005220770566510146233378751161189902888234383648335179616966253515285168508829242236377740272290098128572463234616488558216619206224450462637332204396849664055212375512755982368896502390459221088480660529009989574446675771935822508140947213297275999818342599394905744644379037360831754395283336401344939494535137
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 1,285-digit prime (104 intermediate primes).

Certified number1,285-digit prime
Certificatedownload
Certificate chainshow step 37 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040879785 --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":1100000009040879785},"decimal":true,"detail":2}}'