Factor Info

ID 143580
Size 354 digits / 1176 bits
Status composite
Value 537510911245329759173040341940270830129188046059077493074133698256518305248660767960996887585379782265832521344854647604453471600930348705829523284073426912726022440739903179829566090337186602446353223771645533120103027551602589005108598956191838385613336305877076081048092565053472921990306550952230782100614845952253405418573443272895250773078903189523

Factorizations

Primary (ID: 143277) 815142940907415128404457 (proven prime)
(ID: 143581) 659406938673815818420202300500673755898192461693745909384129522871135489209038056666655487538560334490416996022963281971024820740560064920886600894726635196822910961514413097355609504504982603763690947720249998204781013740390491127839846352644682138736560962160226344477318767059647174609414773071023112201991695628913812567210139 (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.