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 #1100000009050513411 1,334 digits created 2026-08-06

Value

19993255989362731942976715495251449634197102138645572337192115116772559749596701809760745471553770139167575743890462460921375297210373452803405934213431610942495190400503146954087023243485909962461510971052149360748348418639112869496587391952212401831616082261825223519088592572269481432277708313016188684579810593675132721235831729045429602907018661620742039881570632660610690177051083475952668713330481025445606690993083936553873207461164666200309246314326008237068587448663291923172635974988258330483368689558026861707404728457795039785004698234310201982318548493809554828573252509256821929601452338557553077669479716092228233939941687670465570304944364356942612913519209489803144657686272241336937313503867017434553005366279971790000767354087227112896264864903770361552836026651362578032720822562162562305374698363017073565079349749492912049934016907069037660378351479895116849104678105023043799658705200286477938196452078926104518050382743354429895514653439818518580465694040375995268496118982918560834060273177691619454726709121492392055377263711926386617313610757538743016292256896029725343709601557733425417815411642445582649468547203337123711409006302903391992914287305959863220828995118136125375059089906056622375063464114398653847858379015389629684136285109674455680734550530669483832761693923581525851080347502603614464017
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,530-digit prime (124 intermediate primes).

Certified number1,530-digit prime
Certificatedownload
Certificate chainshow step 16 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050513411 --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":1100000009050513411},"decimal":true,"detail":2}}'