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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 #1100000009066267731 1,443 digits created 2026-08-10

Value

290410995433221183184760151351157980570639683947019948061900488413016105100420543602935281196500832539905945297351293460012984780617276469668521715937651737813076572053321992503013833599021790116218056004842944644585017904577796860408638136818349411082023329117312722959243182532154081335033550337127873718093933637094895429024348177167948346960100341549677642607233792223295229223831187313538051688262811801675822631578833886722156687517279374763615415446700270167342945706929768832808917639708540490347805728211320634797156367131835374755662328610111846815259771308354013171525295453135449837308366015408948211216213698676244206469470709382828955050345776326984761042153333666294201241524292813174184213170867504639049495067084040005231069895175527454407091980001625675002226473985772731374424369370630325551312474858192532850639002703028021374866246841335930311359644381588947787672839664273862833083729327027010233036586405007383894916346948695367736033980506226378353806276460101475870952178642623989955141332877966689295601164818585599732319394052409002486549394781469283663711188145230633529643891911704099865805291246219308352255613047597239762868711970936219988165524679594355658756239693484929515992657596025869662600584947426871350798147634029439790686632237460000822186809734449747733080897156032911616739635927061909015023822087855769725460545219875763897055281033157514817669009883765620933004671459877986039277284170078875610777
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 1,722-digit prime (141 intermediate primes).

Certified number1,722-digit prime
Certificatedownload
Certificate chainshow step 25 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066267731 --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":1100000009066267731},"decimal":true,"detail":2}}'