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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 #1100000009048440129 1,061 digits created 2026-08-05

Value

12088990168261176933242900242947935547889718053635368423202819182376097134532531053706510750523919191010453451398192095887899003293160349325886938361507592097441587636852281294457237115998817759252049597993537799147304671996532014633031164164200666014619720558329392814128687377523069499716688750073332587134898138971954905649977554488751322891259243540299086058226694514993093987877581219870011820546351379921053607748478435667117903755014649350087370159357031952978322615627597811865954019763470825756816247289557127737430150858686631015003719022230345566152689258188347575769678295609534972717068328334110044721033369618302374052521903150076276485807948677808576890905839532058401705719052511195859871651608562439460328603059620307949433143303794903465896069599371901770682008711550892554301794770976598429257165685785813646681477984163144278086993084712710636654777214828041431366112266426139608851218339144813945411872853259301277384151020000510128651668766552344521431891594307630852342439555946265630119006389206140203715570617569223636982222531947714091
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 41 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048440129 --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":1100000009048440129},"decimal":true,"detail":2}}'