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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 #1100000009080761620 1,029 digits created 2026-08-13

Value

455895612097412915976258087589722397823253933763790293904472841947195628754445687068486745776735420715803733085637882764378077075699682724012863261426754812292438448685140404763988465777725146362598822585704564660470160592791654546844184307215419219011445644759747854563522812696986118637001566461418558052587217049771562612723652356804553682085380710238060565981970001369062347615197723056975074811462371864418568090058864602727861316297295025103813086787483054522632036100217172434249675202756770446808319029910050612814846315131012954705023385709824669462623825170973858435864577155039355079479394384967934960970845010553663969159980924587781150106115996578706893591967747275785321107137240119959724055288573881346925035356041662945334866794275493160595370378073902707679341215505146758691228722580514685589104410546732493920915506015903872569858487861085100983651232160228995315022057508360370188446488388016435470680173211718857835945408617905315151102789464101566768727523798751332381885468690129042520159604461301498649193
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 2,184-digit prime (163 intermediate primes).

Certified number2,184-digit prime
Certificatedownload
Certificate chainshow step 88 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080761620 --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":1100000009080761620},"decimal":true,"detail":2}}'