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 #1100000009066493042 1,772 digits created 2026-08-10

Value

25425131145439837534715562032324938721257076783831059961575015128679368578697299123231743371920800476168450314152680923900503382649686753568008024203725913499468934634468195708047999663281730694966883676694467672956894564341686713099036302064347311211738116852435767459789859259912235833920636597281340786694659383103451842564350850103495817751153420503900665673155828140639773828669310735273347782567775298397512603305103787423484939650146624765793098807043246582487534038615550508362312960902327527137801719566900128184566721696031680104407304139771256777769047328759426499892210360487674299568314065462963533823268862579757824770542929081298922804808140469787608924205274273290756560017013789110605933734227243970085810804110700286196286093455285597846804391626043117602506448085324680668902847660433821116579121381859889691634791502948138087152661623638037777015650179899671639256689506615007462643766187959632004682479702555354414581118526544372506636566325087330769527458965823526193788016027883336853180703240307685112109974127173134938319904517306375474504866924327664623347362547608930782592896008419478243959089529835542098663776828967640032005918357321696717883240080247343564747113351836928899265343460211660926455618796930666462542638256476285946757134040899390753409045518831388486141891608004873972915326759086715585858912318159241508311488220251248836826200000381081780826501926544751747141818762509483896844894131752107146657158472705394444129431984781415784252991994773240982743658947413434927229109919125113362185268002870185032490359933386235337696240978257896043093940006870508615659452305047928641538343543762115895833063923363855552103494787193169547878452220330369793775874916339192621781304498149032082559712261306505132359639444991291164380177757
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,487-digit prime (185 intermediate primes).

Certified number2,487-digit prime
Certificatedownload
Certificate chainshow step 56 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066493042 --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":1100000009066493042},"decimal":true,"detail":2}}'