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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 #1100000009036661906 1,035 digits created 2026-08-02

Value

952226249152628688874477870361816522554921864834752017271615964366652481685455455532892104674483038501750015661197703479746246077744809291769840680861240204405133301107749606829572587017491983888102891513361842873757330462910906421758058329444231449735788582801398170184040174018637866965614924082250058267988410812967724300039744203925765908826235446678990200002198548373980521306792078387782724314120006898370512098897622729417626741425633234547042534975109926008798643366306639153388006028534811171443977925752072727519748223650757488459587276603302784283869337739556713597063896176472465676811395082992522061779791928092953941121878530005323180232264101463707314940315947782969623423905712085476261446018852953329302617877417745277525465548023228092367242519900613586651586329120549987715565932669909827836403720819840850958303754838036310806513904311144383304664478415424595408241443645494501666271087419325630741417308322645126246169533282368605174451712183415348356396634767177806958108317724633444353863189244759611830095219949
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 1,236-digit prime (102 intermediate primes).

Certified number1,236-digit prime
Certificatedownload
Certificate chainshow step 19 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036661906 --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":1100000009036661906},"decimal":true,"detail":2}}'