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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 #1100000009042190665 1,041 digits created 2026-08-03

Value

356143594803623787225121273901327292232698603995763909857244037729897241184677637848712468331610426698486397312353757650319506975484438626674159906293566170352490798022104224692758008329570233146052839299170693646528609572415280098403703335088607017468354949493498094860648951700791971451778829698632522175631932299850632741473076705387733893311499203322468799826187452318238755417706270691543752398290561268046322713501571442903603060806744929388440270802852117644500649453040351927511001079559692791129723676430393489857982354873859863370785651705886583403063269017547439781727948123125137326803504237716087912171480427441545807924054488306796172554186737660943544631670374192558937377357294469786608378846447386334471049427771513376864786563232562594134794105185166497391933749012262708848188985495443415417753844350743909876093554618281172197512292523866322101919016172791129800767568054935959702140071871593857335824164850171040764920111743663295265252933056033512313433273304852900201626452979341108746051105794481730688716120111930191
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,311-digit prime (110 intermediate primes).

Certified number1,311-digit prime
Certificatedownload
Certificate chainshow step 24 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042190665 --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":1100000009042190665},"decimal":true,"detail":2}}'