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 #1100000009047525854 663 digits created 2026-08-05

Value

253784553315288388958233506946682314309376827927992505361666652449342926042599647412957225093558811469877522848592904825121548295787017728402088470105407221548233869611859019158048062310980747251432396653230853032469551204805721139929797791500747192473180926561836387478058381366583860682529645676839935918571658282312746775718261387243343765913638751291896808536890160164949499930098095771731490691631379040210652967578628873856902173290517088781423584134275721012253724630236450241756153276375342636722879804018770896704938598642249191298066395187142816480840340037036303588849305270981656976368751572570851521566896123652820878411533569607344247285888147721283
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 1,460-digit prime (116 intermediate primes).

Certified number1,460-digit prime
Certificatedownload
Certificate chainshow step 66 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047525854 --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":1100000009047525854},"decimal":true,"detail":2}}'