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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 #1100000009088757949 1,229 digits created 2026-08-16

Value

47472302240555150351887819321922558812032843440541086326683327821260280514852328083017942140891464667790748741164971750565272233227435438017281575459557579868561999751561329377410328576939900603996811385660340583804562614413765153010631219658416970866754157103650160452097497756315327383952890467063699439007073130678953297183051303124870890137900921709752845155047128810010744465711028570756350571468210539083349055998367300632811018731299065860969245157183529819040685796199841446312169576642093115005331462126338479586587609637519916736589047895900497451935923544972402760435213003570532282664990417749558084216353895169820719619260985688928955102023498196423475987169206199252295563154633938972191937492754230713006390302285047053184294770902309985407978850038507837755010951994857455284593742173000589722552650001978203216125109039593943169910297906575985620763236319067909524193752489085777296212699659458261706798631604208884455280578450235509019903105226418550730624238089464616279752911243812606476194292033491794880275250341521621158872365662382662846768315875326811301093703921966590165862942493725735937702926834584163811881071639002345745982499320353483393259576703947926717668039800064820169691426492077706405988993
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 1,975-digit prime (156 intermediate primes).

Certified number1,975-digit prime
Certificatedownload
Certificate chainshow step 65 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009088757949 --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":1100000009088757949},"decimal":true,"detail":2}}'