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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 #1100000009066335437 1,621 digits created 2026-08-10

Value

1336423319180477684619158622702561776975191487068318918911038835017579011048612186147045763055233968193821519315688801221774139369476862093934052706433443972075049113759949880654637490710532543307635223442718229879562366645821177489769288261021101516122693999898567722338586964561323361117680455441576539581219291557800906538730010458481629799509145124739806450448528112381129392054719223528407175097131330085282218911068908514449653779132979356822047732888193437144481000709266031061977877527540296819261437638237571146974435394633203674039653243925987488915659406715197110459635505981423804722764828370709602643204574320073022865572188309101076082670666202157893263193109199557103159165649046702285978344289921763392403734627967762822830381464554421059144292676965459865895872235302775580835324706700819463568465475221838332245502947091929194353392769853352140851928317358688296801430615299482128834016327191330059595936325027093935579667956582195092266693642426452891817168014802591290746502802931498905104129348439579094306305959661372504167250546459226656647180210013808252068716309391149832570132487003840728421223764654528060906278016805058552612224336673902855653099390974746623950237829522996193608656974226911712951930807681337975105575776761105692424200423717467722285576181911370206122588685222099206170113067397120582763655992949857592171759931902973110725626502279235326177766292725322526667877348414862338176971945390759733615556899717327045915992021197360478652899547747971976456456263677420867311961504815804810608475733593787220370019781230865066933332010148170454758625860765253502575226686845175097679
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 1,723-digit prime (140 intermediate primes).

Certified number1,723-digit prime
Certificatedownload
Certificate chainshow step 10 of 140

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066335437 --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":1100000009066335437},"decimal":true,"detail":2}}'