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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 #1100000009079526568 1,081 digits created 2026-08-12

Value

2146786342755496135377178060398141714241185682395988410424545278632188476526198363528220691172244940357766284864680176477401135084309057602754248217727047591976146061354753308548156792562685919754785823764452045561905616757649950195901186717091879011910385376615111289154718610671532593751474317073479008342731229889593463208959350505962929573941930309758283467323785762313143726865523817966502765181116128699468766983386017557251187637545377869109739927701593156825539311807347170148091255539462788827654232662659863909138876017728224503425875443540907014998783718781151484327106860744639391835553238902521188126515857312054187319298815634100700193556021314220750861621420306132751315390592548321517313071000352034338292040398774507061656139251674501375828111600198709554392513687173745330247704926310449296177257916831880464334121570028099635917568557359455041045557999020822396264100732756656371277045316626731715664308824463790062576049677884797235884831239396412434005132295943686235774112632506560601924890050247734284052614063595619662553567430259195235346290214545551811177
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,851-digit prime (158 intermediate primes).

Certified number1,851-digit prime
Certificatedownload
Certificate chainshow step 73 of 158

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079526568 --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":1100000009079526568},"decimal":true,"detail":2}}'