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 #1100000009075740540 1,059 digits created 2026-08-11

Value

120203625521019223944726125707643195443553084749351430317708951045189799712151914443088125384969991591278585343092076705243962592844389958345494480186179798453145156504498133094261692743083286096987673837872642388163374212264808319041715511012107812220960503619944088387291055116237082290004779629963665670634968595001787155813046842724260261352346268964258326580652266525986710686324486760043186194291722466429323729954979541751483727823810529210303972551180937226501892823451466370382569665059488094930186457824647684606615075322610007396224919727532674169358966399530006623167064627106850764854165884621326981611204459874205258041065232698904276152387637850708962922681482202844675959028623821397371367940203915946128945305614761567613077855028420165879885219027662292998995765583479569740549337965489543684974009985028038006143983241173106482888712547372761454656114623937396155990971083447395917854963168231423595483070471905729658241389052346504441375831224922261648591528681179352838585410142911138385681965520783520421463528004040562394861283812472267
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,131-digit prime (159 intermediate primes).

Certified number2,131-digit prime
Certificatedownload
Certificate chainshow step 84 of 159

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075740540 --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":1100000009075740540},"decimal":true,"detail":2}}'