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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 #1100000004871498845 1,914 digits created 2023-10-25

Value

555092736547419924315369378748631420868540496494998680573016384330998857426568020551718390191627395147350575936729701420653388899685092564253707772316665556077472850605755130749824077381833662105199733360624236494537717840328760504768605911622323542934273136313143618683795914668440711582800844039988692230092550126116832376142787910447794086931489200955339675166161080475013416998247604294181308438460515850093632957824237142845244971103059649624270853805490099090983411009129896854543844263823752629969701595644026013741009655098740118818932717250702040080198471797802510535180631657204452089930382081487278884145909038970683094191922803663660423960783493076876256474251082715220969449289027831054601477507935664746576016674627132702458498254854316139086892459466431122160140744720973434171128368630769118751208806627030658932482534538545701468117819794815749875389233998402114190194773564789572822858670202767078215612789883353016024996707491577019798158459068510357035400729661105961540481330488461782748604818478239623659599402162087266862810280274495782976303269944692041524871887662210405515234018836483998679566593166216972795307660779556359097090417663576132646096259007285096964705283024877431197050777978208703051003511775870853257253965221255069639052570707702698908427043434844602602310971414311153233952880108504093757987663820704352049064754140456676588746663322919134392892309413832574585242019909336924199540757951650083443918656624827180715782661020589812678727676574695586597121981205320215634848276079924017480023829862091019443491782105933273470534170242738693292395513350581890264451275096696102502044875421023009022473224254384710844616504765196567243423646265584659665650525232517500605865658944400103844566405697468688728858578820145183116475025020351452332234447652001680548535712360201019414096706598640417609378328374481370671702315943001094119527229384139969177872846568421440700665891
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 2,603-digit prime (273 intermediate primes).

Certified number2,603-digit prime
Certificatedownload
Certificate chainshow step 62 of 273

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004871498845 --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":1100000004871498845},"decimal":true,"detail":2}}'