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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 #1100000009054732861 1,200 digits created 2026-08-08

Value

319793257478906221721786044368497166371122272072939148621934247559796097630661124741501440679545237760786718124257114440584995686309370326657303113230088037647748600080555681541743404928495465001103958109557029913534061727737071347163667744080488047462934879136314915455446981675272559277354040010890414168931521311638212765873391973619555546493163587423003320418141362564357725094112066906968127686750252019913409618478658931713682861482979259440221587468542804140284227197633577146336487114055194888101365595786302582601924353974219204648258394790081877568785162183629881053450368650278271973926556841568390063497148593511292501342371210788562535267121235925273837380962953920837816265254853287326396146974941180233228907887295777477108380183544830388602288045197887888395303086976349710891829080795121587552355508525615631878801612958485556697457956829358409481756072843595852795813505700687172916379980080315539263998147931328970563595508600175752128528345222366602669237500093608518238504827181618686438575295191865221378155874927449705908705982976087316807628576639652938608976681265406906401933900796056297651851201270906950174315237312975815026241099022369522296441415351146553897768397022877
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,633-digit prime (127 intermediate primes).

Certified number1,633-digit prime
Certificatedownload
Certificate chainshow step 38 of 127

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054732861 --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":1100000009054732861},"decimal":true,"detail":2}}'