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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 #1100000009073140387 1,715 digits created 2026-08-11

Value

57042675921034713220861683641186722413777214753112946007043920137932537323795100636374356384319528870775765682071653412976788380339793918782908214959109954476797563697218581648834272529954533085941967086731108730776187838527758707670712616229182986238720283129513543076431457386179606531116629471887859224185460829084483486063810445158042906813771844160308689270799754218249527840204195074357736834685176719693592453624899816388982011472886170499868186160646612299728519874073308564709468889877045919078487098199891302348466530237467688758177846822461634197881241919881284659798229980097634748926680479678007746220289318600179447638663086521900005878436834327530096664802464328025355586453179587506736156479443570875000104978211359852397010181435930007102203756645564534263763662827337405720424195922745274645195402747832365724886591370033650742370697911551806897612894601432099203919848765637925402983855131298749484007526709853822690004865729949840786764668249696102760373067466621118071816723522134228973240678427537765476605452068361589060227172132368913385365069193078493327792224840290314856826248706861417492639399651150694549517977610916677970080703028012290210709384026132094840856106942351530030776835503708992611362636957941514525819493907226601725710887083489945995620817101427072644452284124492987391087535731998833489128556940373871392507323534273588679650821943966557127503426068121829854510128194263685439388376134470668625059109747677949980213038234559858101346726630159832339509060949519343990629157740425528350934327274873792799540264358000274172905286093407260625890627664422752543158305949218757858192667365047880607188383104822800051154417231327746712514260829716652623049106298851015788453247
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 2,119-digit prime (164 intermediate primes).

Certified number2,119-digit prime
Certificatedownload
Certificate chainshow step 37 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073140387 --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":1100000009073140387},"decimal":true,"detail":2}}'