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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 #1100000009059191390 2,355 digits created 2026-08-09

Value

586796580208464774491725741789414520691444169665667820167098848859507875091232996544751810733577249712424144571315778753257328492539170424842151359964870665232648822366734116933050537435640889836631257771533977807375817351313467934361528658012865355552117884888921171695590708887099166614755251135239648334856338340696327365050189898412238704365985155094250101032143647234573953213916413471995714484420098251497617001396069270016558313357595638943955503244038347304014650558761739360721281547069609660377068148572456165947078662286159004632186615576808997194046966822459767068901455514079720414951918373136415655381735397746151153084031971705001620648541355838754812677632127807492659752010498330990272428855447774987053320855835377712969502681726879315824300058353237054436253697713073435478526778701545992824663072073837913395848848711818135192765244492476845758413149028146374811619271167991026203274883729829451593458903948342388715415682647744429853930223533290604091707421993348272939014470232080715505899524874327855394140498052231289992913432170862934885818524422811789606847877770265546044543348865854243608829368719595244597227245371478373477226265962141710570725549298142445475798382033956128018266693658007645370502818170563414681217081261054849392133621341270903986335319191905025756336020256057251385393612840839385341271015599556845096055217899219872699595788497177169049003460431948686084048744713477437998481741700403858330537484262784624243710417203208305975108776913914815025663637233077058175998526099689959298620342670418709929879640781207873084593670280157186199235553982214689409871989163572612002394786503921295751867639901136937357470498736472796453337108982897890997299258364581489285208408804942861059951367730017173727366301525606664326472728856300973395126279919182954021157503060806770974401036576651073254761289306627678887062599678833405069436135046880960684002971667097218397764077817489117451716567286680333482906206436061801906745972389003778044572400908779850997935886596037289268929456218778731060207423309351198889974140209951666776849338779384201032611901700002666789955640560292052851150171683390281722987027353933835011207779851463275724714470430954859031647874881213043557508150562020309074362413586975103450648966525695015877355654213394299958033686678809315083971253361625072388648061065148418115049392557923323
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 2,609-digit prime (185 intermediate primes).

Certified number2,609-digit prime
Certificatedownload
Certificate chainshow step 22 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059191390 --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":1100000009059191390},"decimal":true,"detail":2}}'