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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 #1100000004855240485 2,325 digits created 2023-10-24

Value

708604854157965267837001970685347030896549148390254086743460990529672262221886565353671253933394500290303593747244910769639261401378718179068817760674260423944401654028437448950515236149106633785119513885397125376262709180407918445536446215940848906094826939520041324485612878168380175951622815644611338368542503697547063974691912142516808614022081186039095821004922170075320078127263419251447737261602837984967239583335190460697750157568170540748734647646446253180965897281313593149904824254360052310287786306573719349193891521202140897865899864400326945331912728455485127299166298708614207324400562886524073937513608578318748491110202179081388010420813863684328683343324869132970246262567688971069001031792676204548614072477115452964108179863458426132947889507746248365224676573734370159489939629579881146681947097454885308607565506873207848306380413483604339237916785437579507811055336012329701044262100215041356467089138444864371183676001079097188432455920572408641751200767390647116225494824216368921007834230317624446785418808347838710186490891559987979049699031919989703598197221932841264778997885753481272834954987969456752848560312613083513632555900866558148454319212336439151765582406171283599549372300077262301143385175713256083641885825765553183654129129211067147912019844271726234293191919035779626367917675005863970718792257500429667753525132007866987193615633809027352207883374256843950369159658793982885708106934340880317132915784992716987493599371574367591338028371396280551707331904404497197769677745093969727342007085002818957810404307221404222201879946106728943588333916798058181967736974887832790707219725298730748642177705187195956105651861509093850975346322715786466134894473414999650185635260860008357605185114269125789626924403810033612751524232402290768716220581691075548342539626854708039594371681769361339666185835042281601693306443329984342530047812846153764638059043141048338434751534291324988104958552113262471160231358111017095309108423031991653005456954293990400563379910547201132308845953228341320726055177087809060064768264197318037573065572897079924706713956985803936596073496456314676438279866511996668066938268349502087085433830274402629924465542372628489189639970881419775546615979259954930536187754258144722839030741648013483308629193133112467059910745456329623704717249677422321046879
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 3,052-digit prime (334 intermediate primes).

Certified number3,052-digit prime
Certificatedownload
Certificate chainshow step 72 of 334

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004855240485 --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":1100000004855240485},"decimal":true,"detail":2}}'