factordbrpc · fdb
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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 #1100000009123519985 2,130 digits created 2026-08-31

Value

115227709009462799340818289710734054806558203930786336039457068703357122757377769509740747686815370838498888541576774492075923350129329906273359990134146842817848665217325624698787209452581698501174398661287043655290683876056220040301725309550549994815752588271318036011183541480548160402798826350495864849362867160876923367438723694356087373683130544310391633743487749254091740674908388409258910831255065322611935230557945721722741693715334473976616706320689762989358819226210652376247449250063597145624535678261564416702458989928802160180389955850361772606178421380652697886461195403246036735782852684093977266731783402911019533434153548881928805526270074277288343095807901664864529109821809835177299954909754567464181599388403173750897337727141825197192678040694819044918534439534667680611070588873426726429739868191336060276173626251674544452469793475517139393127731038609515725333030551688168991790258584079062746025709703638002702541509994991265093190819780750114898128683504363394291314975754960948080793715958542282067691391242334929509263923085361882335496803923283757241732368191700366678986453839973677344006287632596224567712536250218541286301510520452389065587295752075551399229350979864977426113101731637803462554101175666913840697155014301921769097934450015380798122607268879469633032462373671765176756790991514711421190715032359405674934446329626548706360144511381047563221836978185609818905236927752246641541031816395300415074905251120604250256510265446345655223938676913739205221642849126006489289687631876314315027107168041789030906652650697903394227965958988675474469295328036965343632578360645484704484073729459758883960392369481207594343386009525944826341096734184364697451901894973867204570569421598475192302138565945543898308854402800958781043390008974644329790080279139756385222668458786489486034701648901140135095601241052498463231921229030442729459925473765426203006190805745740208928259583865864634718682856783803202648389658558369240024095973341288471268379901787182198357772599426019152860791374536972588946633372110378038350282306656545614144173102983799164594276262088678045211585152602069431501043
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 3,062-digit prime (314 intermediate primes).

Certified number3,062-digit prime
Certificatedownload
Certificate chainshow step 91 of 314

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123519985 --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":1100000009123519985},"decimal":true,"detail":2}}'