Factor Info

ID 55977
Size 590 digits / 1959 bits
Status composite
Value 51588978761421423541838409047535199992255156959611154065670165004693812649362712736935937680086448147815917994632000258378034124192707629344369322184554417312071307506144027872117966098829598572873952098226509569278356544665823800661819616303491230408689286102034153590360982863521571228952026625915703936444471680336147872418501142796629849490070228360018901592015416498108647193374505697623874936644348147885619979358422138149199886615932377255797094208301436606339624780689065889324678226902278850014134870729132650071920163406557694401486010284678907989087940068880876699229989876212013

Factorizations

Primary (ID: 54830) 2519545342349331183143 (proven prime)
(ID: 55978) 20475511154452043596044949782163754102204155776815409493838654544640903981213627962209350856370667974627762143323263361948472128765311187958618337545439346387340086261051265804857759236245909712250112944683740854692904208881963248052679412994110562141325383354919648772428745308188635119541929066573551910073841877523204799244219956506561928695586439168590952912894687518126571497004667208624124002791098687367325989814046332128793066528255224179595885719199136495808604883675990969655642106880364918446563020024667642859507552645225205599647878804821479454847365822091 (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.