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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 #1100000009033478800 1,619 digits created 2026-08-01

Value

66010970981202732291872343494338633671690353308783718876620454652497232606837468937549582390551212633240913278256689385608902017352099120900426962464986099002529426353291548433593874392287243554892869459089393202367899778521381150773638963943330114721491007141879326801700761933630260580585441486268323931301919881207585348275248460566606353890788357845273809241671127239497824809718776467736778496286294965231789721251806772272673971911940096066542449313186918393752356021852427346164453488258689327807885832835288043622074492814446247272177923988734884073713666662539937815108988587455181793075946532734154044974793969158642796093230275095637070718716414406581848876022814385809373550909473967772413414833065510665375861717547737974573426281232618341373368566114757807931504751761853360650257062035705600412364277740186176550382036313585793705249674754495437164527099262043447409020502431716638122817724727923212683797587659597629622399111729198720822733178402306496099155499201807882036638642189933925412053851144665754584985084056485071726116698045017636425231351151758419811224061564681851225955831025455109316075932510018472065348309942606540416908946663369245422262597684224720614510152276281183459416008468474526898937453835940896600378139683465625755957677483622718169198490410383828926036480136831577420953170794124883164086613620418204675789203718841574511250970998249839083226924108703892909211115491066691641496568554162071298951096318023857170265881182820232642791816810475074319865837378702142442044646022208810040053881932822600360651644723395953750409826526041246393325894463682475215215288099980879733
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 2,785-digit prime (199 intermediate primes).

Certified number2,785-digit prime
Certificatedownload
Certificate chainshow step 87 of 199

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009033478800 --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":1100000009033478800},"decimal":true,"detail":2}}'