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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 #1100000009046904757 989 digits created 2026-08-05

Value

25572962751354822348762274139828772303157397306109255041204858088293927994733526627273362415995799364270297928731616287186824132411799758968098586824446039927865417093483896111630735496861043941769765685108226945211624056919392312692767026154677568686583134635163643907133473786872770869326568580775444259955433042938812553726187727653240896403866332686677344309963964854433493288501062218084198926517164401989835328473471936731080886820724514969167973640135749666014823109803985570065740950016798379390316964466012856937719762711748811453223515086003249908336612030716454886035949375127817327567385557171839045099975232342000096684916630087773520881290165882555459708175585394115259191188065378365320246192629903457177517008007326219961583160670490163325275826763919732812572147084200848417332175865655317002023589729269626314773494989865579109266072088743073513263493184999727901219497067359384000090927314621998928616802638808359373375896733926014558057917587572368973258492742511195677
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 1,429-digit prime (108 intermediate primes).

Certified number1,429-digit prime
Certificatedownload
Certificate chainshow step 33 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009046904757 --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":1100000009046904757},"decimal":true,"detail":2}}'