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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 #1100000004942084020 1,147 digits created 2023-10-25

Value

1397509004401730051571825426099550393850492609294381201586279194441227746654254043701460517387800689392454602836712420936289462696840755003448301959575364288758176233557593880130414011245114641560670440887931183020469817161110828787345929854666868927593675694778455763869701231271299215043164370089788417738954371714111025673522128895995233229028596737475106459069412171997911500748030973155523447561286588550186416168813902197431028617305627775458479272100174886882541229492243945717191937957431872639802364289190261883651794453161975650372211015847879143019231932748159316419856919989312983608919833512842024123486215918264910151073055174301175003029220001606684789247541094534515694565372304619274920237416391408903523382351783028906058358775361093264303253589820551253620671631586710738490126919850577966278429974765845897245946815400812417660906408467731097041994782747709398521526624099461744428771543016264314479417359587584346294731812411150280049699882904287558185761941668912446672736027360837801151995786363754531150670686806957396265982042479202992739058344275173572654984651926351285376438023124089518292248655771518512950460939065563
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 1,632-digit prime (198 intermediate primes).

Certified number1,632-digit prime
Certificatedownload
Certificate chainshow step 54 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004942084020 --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":1100000004942084020},"decimal":true,"detail":2}}'