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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 #1100000009059542951 1,225 digits created 2026-08-09

Value

4644191267028576160715712325654414312437873262474474214293630043029291654399365662980706744179672005362976229211981692628006596987013647340869683080710017584977370938232686891236188589617238135204474801565097904191430166201459329336874442420993105626485519892242604329978276865308418832871977944838075778099130796727927358081050342409992355412177009495162759655772361625231559348806689469515756871930223772275532411869545080119002817713932434323342655165406936729393413184672482974130053679036829594628440387721739881536127780689627635512032703169509096808682874745567784186324778064708237170225006883177653889481994844376664393901127157252202155079018062154637317502175431698029234157324193329163277107329032923105060528602557618711580239810976709910943742924686056906835601874517220335383898501171239082388092839677830929177340002412100583550726268490237412258803815052982799213776734767756333853780880828712210671526371236477063822168349041654851230306070664959994250871946061899677960935756776106183529336389385739604947046062092867709202611091112355707977352916988786439841014892525095829780726021102856522744073540863579408075225168807113547815927795636855991792544905588890659128525827126500339776185660943318071229991
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 2,263-digit prime (171 intermediate primes).

Certified number2,263-digit prime
Certificatedownload
Certificate chainshow step 78 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059542951 --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":1100000009059542951},"decimal":true,"detail":2}}'