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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 #1100000009078839920 1,112 digits created 2026-08-12

Value

23483980309522661157078015375468332642503087065590139233796228019495667869223878665899606308285713359890700270669689386098534808952449518384384222170967797560016153251806086126999685858514224847433602440443589647188045255595102630343954436676283553579295224340474873252852029178935293987856838483383627776288495415979927811917203871119276363970962332819786282198850067647017784345135117804002653655996896455332691582000780137297555918439897882579950695821077631457902803447395891204528924369869855885629439628035388671711183861594504660674939149249953910964190519434915409108068925088923115361915765943344922667935178178986853238161253621549090915310310311354976554257115515696874185489148055110853505041758001692554920741502232277095534357984733362406079866373080178781813180759896745892955640172729934948270849696150322098038071317783119508259146082168785751933379058676832663959580853974332590284261655011154707194464337275758299408869668637945003678576823490063652839741613909915195111448150810751308921962438437478500771159598953216173622817764589239963400805148023143365613258402633680480016364672935951443
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 1,840-digit prime (149 intermediate primes).

Certified number1,840-digit prime
Certificatedownload
Certificate chainshow step 63 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078839920 --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":1100000009078839920},"decimal":true,"detail":2}}'