Factor Info

ID 28413
Size 777 digits / 2581 bits
Status composite
Value 645227545847961412618352155588595133150454668364120778139560546169683026035927818280567464796286047879499589778961746636823295442514847336634219833387727998250524391017152327673489948567859579009466579346399804322133331079238482480419162748508403524616802890491653072770636623149535906906772996026755362485317508822705999973016190080807598319689252654443650190801042988884684445318208663892644435922233525257777096341661274051311499651252111337378470173956488246981660547863784931441340041869744915424965199289774016886332052929474426649409041175732920357056360880064465632162486426737980429331527066189843588505971651415729287020287157101372204667314558333016642683100784273473376334462314450616311319511716284819908826886122046024147762676664413619376324968121978563189639161

Factorizations

Primary (ID: 20292) 151063549389365288761 (proven prime)
(ID: 28414) 4271232527344447112410325254274651086092743648072887367295416813143149384068760878401414310066681651770199701003962863607682310234808308350457840355847745914796611907690659575666828840528531726657050826584428305814751303370847098726828994885838121498291096575572564408555546535604259841419766956823394458503356797259802553163510248461409948598053340143388556847621820449136611043181816097324809778982227446906900868519751386858498910780670605681710045455589615082402004667528945547172748857958993199581381733841921149155588677196480337131887843939882409755501921123466632611905970026263005137498929785476880880478335268680086069777792160913739454301409389611452940032281756368914473233828762594571174137112292363503032118543095844309586997947221361011486401 (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.