factordbrpc · fdb
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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 #1100000009048452128 1,185 digits created 2026-08-05

Value

814912096903825564580373990780994912578518649113599204044624102603039481954962156519797225961526421305674982520219108953717948788972849491305044513856129375475147211799633741748420187708328330385505957253334296832327427228126892866945313205470012796802236468707723558636187216013009354767525472783351517142134738061706732335564964612333292383998818581166602802151855756765061571271718064952086081507473285799405512930262880186516763606209449353630850815590615335861855563011312198039021591339826479945386765292688561987964994361042194469474246493511783963607096252506140127904323055890978958657239553320697688124477729153512849388097072488046711186856165518531948883369392976857111522282226666997008926812903961841938476474962323279588955269992890612955647953444585442851754160284575926187986842600374982533497825724328249638810830745967526917663953783112979262431615602001594439764358304088102366703191173129837228166522684944229416181401922845833283004520688354747232346388534665886556834386883566375031065703269829551069560567981103974242440351902998437373535762023658009633180972196711929589211819559506656985680903304483802107269739376200699814908265429901220903548226782175446037
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 1,491-digit prime (116 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 29 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048452128 --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":1100000009048452128},"decimal":true,"detail":2}}'