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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 #1100000008676554050 1,250 digits created 2026-03-10

Value

18291752953554140256331760374850143763615989506228744311417046221365342583349592047288429138072666447947509902938615763740477886307937180642976024309531329502870148933504336867592304835050256579304708840644254424550357026827755011288562876165700731002807672581302733307534791728949545802563636107138599488975676494929717345482182444275229219127075154229629060448189535866214369182211585685349179173731060106748589740908981852680813072948529453129688434095194901172671720656117846272403304596811291129366339157227019392345912841179347674828774819269814907772881694590437248425852944800732676803956492448171736451497663856752892336820368996720567418360590607515593483335988257809044768561586195640916642484573662446529471500446537976635457112293149873441543770658875698331629615187810247098113374007182635533810181331382481138120027578098599749319145299848009346202605600391380014260576006788866564724867290937678088145090510466683280911860831333437105963612359025355501149867029550422413481082626794119534420547108359300597939966474783310168775156815492285719810751159783290763017110785400606449672293765754543771355049737051001020937165894511788647702541316154510794939679729918898170507981803478721912528666498857123927120760019948488398086780603823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,461-digit prime (163 intermediate primes).

Certified number1,461-digit prime
Certificatedownload
Certificate chainshow step 24 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676554050 --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":1100000008676554050},"decimal":true,"detail":2}}'