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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 #1100000009019292920 1,003 digits created 2026-07-29

Value

2982472181294054167871974989054092410444433904323781632687090361924718223045727732127280742062519216159343435093960294292750183924887877928660954387553021777163850622316606020075479223567707936198953917663950914038759092275666652808644454987350407384927890132583550195238069414903460101630522097807692321117830340816819136375634501287140122504558436542656939555876994310948137390344541310445231186471485683741295289282229526929825753692188640688009316392031128897511843788715704411121606373882302428720387137407132088094282680547268393989170740316759290703503627846239619116005230486208492577893482089990938081560501707251796897262348782611600969396850482766351537125783980575838819053433435649488732603156553126191977154609429915440876296624754442282896242423150328861835670865463639417765283219375247937153188870350340591082354712257433910845993330069965871273148093161769481388379337000225933861705785315554350346844819635475873347020682468533544272419187150297293878622148796722952546249974381065221
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,092-digit prime (87 intermediate primes).

Certified number1,092-digit prime
Certificatedownload
Certificate chainshow step 7 of 87

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019292920 --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":1100000009019292920},"decimal":true,"detail":2}}'