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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 #1100000009060718913 1,248 digits created 2026-08-09

Value

281144381079697985461716456125921840442170163139499526499621194425452042204145184799432704554919050925259911288807375930538576906422647107056063380485470476765406765773277281931755387911269592320199859165348319462078751476971024956073581498147431168931254847980442275290231757413377656846890841456814850472331682051383566240884093313484129980211777879491294539307004174575993375612056103836737842725774314819523732159599350097715392376542002896190266215853728068979546946660909978895291194746182661472277164357675603523154791552994581463429435011948068519502765481448544712739345724690052670742802205423050868756089837323365700657698509233056381048483525904036563970066936141448873895514060482248033563340580953633386823600382950384955629325653664280549237196718422793982275893325986348997721830619126769929967321136789073575802367278326106121100028823903601003152159024635015911074225182380985900294177425511337744418890847058312919924285295853308100019599311681007619201301752771379794349035854636501834291376480935032382957893677050644131005816240383266368410776947785844354593332390317422662516244586612046057121040948933813591609381427114216279320098897520547706987796448562062937156376838039501558757303271733419743391611521799787126977200453
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 2,270-digit prime (170 intermediate primes).

Certified number2,270-digit prime
Certificatedownload
Certificate chainshow step 82 of 170

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060718913 --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":1100000009060718913},"decimal":true,"detail":2}}'