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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 #1100000004871806067 1,939 digits created 2023-10-25

Value

4217511733513115709590899396518241663805211293181591663232648690927267564687690223426537687214907635911683656451445615411957953375660371768234155679353129557981042719552287635258178845421619481428833443977081803095668749313374740724271661656775013960085511878003295216051775902379528239272410770390515008386035017133970479498585931583488672421932613998781147558872572445977729670499761398753241677967158085003329502056485370345527967565876659544157948659870406357484001593228550917647518529197606551181672499026305754503402648661043700152403314059832320748612572346863775914165620282795992155218307167000584356289161420469266796095343220499879159556167590522015530420054849932703517252540689706120685197443333502841386136736674016971375868138391236985758399388266827363254228575649200406634517041307893836342136998487095874520426626286613894230536351450057068507191126017062009148913167341218155684904512993516230763966923949267933385333801265990935511687319551217983693891936653891068215037430609038839889999599705060379055736724352044408092909093236251017399873117910229575067551751238411215612815164473135596102317912094673009982802037862166895740370362534904701574251422392991050721864269012979177291689368627776010779940545351630672630031882101372730174000340087630531776589932711149112140190012636776916602863654549339002121038071785678413496107527848485068351709562924547574483234735708261693190191250503951938410956111862296758778206880112335707250766814183377598876753767496372855680185345047495280121098173213479881094775065637780262094589076991288220019984159733469512775227082475957819715251348112569939345183888334426951135344217969315179903734990765204266327231503396758282295911237276052750151232946020549580475351722384380995102219253385590394981216346810098084417048661319137433561815029686807813878195790773493733403999481754674445623084808502950008789088079893811595209580773474476547916527566641132654606926582463438643
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 2,608-digit prime (277 intermediate primes).

Certified number2,608-digit prime
Certificatedownload
Certificate chainshow step 68 of 277

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004871806067 --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":1100000004871806067},"decimal":true,"detail":2}}'