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 #1100000009066857488 1,471 digits created 2026-08-10

Value

1291888720173037909455042206354896685560788593302709288335546247784952585278897124059861094515678171725432085967054358814437653399033451959885066400499031524896583609609656334506415976740989251072001345426100123363986056795984637024002363085623164826524957390989508933978180905471987920383727330585192361295047723707689409889502502153938828777638736886814517908303582651022131953536965965800001354594131131749171478657755381926846472804022249641047689009033130820912919127163303511536196429379914146736195456815734513313505076474823751865774970786631948357624626516274971124782789438335117590518501287023993592858927283129432756859859855375848804467520301653834835165165924696160088893952507616590926445665238175020301811303878438814139998699151666132347687718129204535600568821610047735579375935303648417847090540283683286226050104137458423100165222418756639858086045249612344626413466254571430041038599730029011017744524022760678526267511413895708060681675256668550549729873436712449845453818129754534779986581293841129753417133575789351673727144937779379333353736227107438445713422844360407055844756569951638466378451765581527040950555624310325166816357606565043938284513827284110481762917970552277799365020930601090556094354070396734415218518476344043363319477212613459675064738631306046744291917328754302249492750561934726820666031903449923699194838788843691706783656609822280840825499293562049307564822288037351227214763604951340163240620584133723723068180174201683
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 1,727-digit prime (148 intermediate primes).

Certified number1,727-digit prime
Certificatedownload
Certificate chainshow step 21 of 148

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066857488 --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":1100000009066857488},"decimal":true,"detail":2}}'