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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 #1100000008766976850 2,098 digits created 2026-04-21

Value

1912536156968479892105643147236340368827272095017333468916954603879006294244378860567096305275739140069409025070415211730033672812724864975004935199676208429516938183036947231418199280072749982498856578509849836402399072034537811600475034922592319091433297510141105315876337820205251599482184326969951984894074592073138458666878892612068754393164070390212863225295590632999586577120606380196404380081249733799671775059273204913743126774170241757169924804511367594423785316927166243350611663113863236387923107205073493411807243796832910896580921888221825766561871099175664573923430805724519214810192561840321081419695679087025579313177366590597451847484658391875808369060601382838033898348558592740383615167660064610908812100062775531365982867666894891991943429548295067212809107697363642765388317289222692194863820665830367386313227426364830189143815937479453552117425741844835738011992946639613549664727731766603002082597531058429871531170529127700658735090493621531453671244281163718081082535793253015363120015550461697965992475929325554129768162420365933106059870319121996085406489361879626843045258973918673226258612369174776323208594358792338907278031007222008418068351890460263644143765585876752927618200580454144847934828004156565346080548140365027031117286972004759676218553425089798339439070763891144758834767313282057382906056051884173427926477469328123298531845108815854871339335862560738760066773880698233215491056680034435175044213373898828989851526492809454966295482975164998704789801480311710495461090443568927170111988709517869269770711624567104246405598700709686567019194404386021168723578103511041180703735596219616474220359515037238268191369104949129870899075580562725503155678098365813462754294212194398444498302681272610192709599883311279741331038682932124748508150538608040591647048105701975682821859250865604948625663845713549905448025233554705415506948802015423041147569792871499216035376109088822966998049113889050597542799093879117060304497489605974745989140853196078536556419310344861059875519067694405715827679254701250962100851768831053501309455345483161439266598507199
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 70 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976850 --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":1100000008766976850},"decimal":true,"detail":2}}'