Factor Info

ID 21191
Size 523 digits / 1736 bits
Status composite
Value 2042115572150661192120009625905276936746402527496093399035891466811975435730443537266207399591794185910260735006792666400088641048215833173555091059229752264926804703858881826900528284157643362211304048644846734563341933477289883483575685547118037219473335590196460963767349086677080619146472888867406230681393870709495481894051260867705947095346689439133708645723873459088706774357758818096989325656504883052253748677646405684179794445829818015026038906871595218243497674018852815238890202524879941552177156876779834169719

Factorizations

Primary (ID: 16651) 2948582111117607147637161465549027541 (proven prime)
(ID: 29547) 692575446500499157825065024747427884370062362372341513502432089915858121754957460794813098588259161001997875116074478249935531522402400312274620045595041303598762602775622839142614007406914165381949825772910704847674336796081190938034923501421045385677111035094488162229050714286137586103009816666519059692037332819442151087711890130387279335725309531505010728991701503611959660081929281838010019077605635294732726449728714783858783471524679890753915090860757915605381337232028630232859 (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.