Factor Info

ID 51891
Size 731 digits / 2427 bits
Status composite
Value 20923002268981124477759284358154809167969656218214066437073921183898463018295784438262929465169994298733925243045044911761314013218871540636407362561309604750723105339783326305374630257291577315828060033444389641043444271327640876541062611399589599062138388632534675227780516864488308938240519227479277362999391207035531525555402561380017664110453238848106448194145913818452144598200503419978263074743361646181326364258016378877985378154990983257162222350882813899117079708067966645085785313494965292480365176269209779393592297265629186077316740419374335261855020760018884742522082296456092925175174930099412513792460337566239260400527166684572004708987876144345960239378080606732121726605971544284723017636188476339934889348519677

Factorizations

Primary (ID: 50222) 42437717969530394595211 (proven prime)
(ID: 51892) 493028448985016271885021572490296805739975545542943843448554225647581793642987291197308250997924449810160590204256581281231392123846132643100274416115709333600156908871848403709991232882554811844174979165519751526031780536727991533680744038964890406279572029973943867991121229833156455270026155169104781340253484478858668400589418287870250934035287085600448805734620340448744977784868607419560479955039464487187169845339157855693086597530967672740405441570046450766343119162720331467848233534794953460318949490041518269647676099513491862353359581727802366993919138828436313132252629900506197692962611200062590895287675046155572887728009677160821905145534693400097715504660452437467432459796525661650941101207 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.