Factor Info

ID 91577
Size 469 digits / 1557 bits
Status composite
Value 2558720660760975039700832459366853750353583721824264671699598733526023217014025479811987124141903925916592701805739158132807478358307388226766284492479758170553166842504960991103607640847185073010493319215408071394686739613108196329546326960472215097008237697739357468984487290215256942999348804731123038666479387413009337990573978380764974570576650220313044909222957009459110392610454860610942911674507517497167070996100074138977179798745364863713283682416610971117647

Factorizations

Primary (ID: 63348) 423622795798733187216959754496018087627393990881167960767 (proven prime)
(ID: 91578) 6040092001981510706652301889667121434656521000464196399418507718857299755240544709849439964843563651305252025551402346488833426747536653977479142317676430514337802081981467675110179946913957024756507850595377860727485287438141058556785600302114592756189418672408420116469187511046609435400072962133499488996482100239842293430604498999064211749167660912734606506030170790122862887042307458799005296610023069398641 (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.