Factor Info

ID 39875
Size 302 digits / 1001 bits
Status composite
Value 20870882837749298247765185652359769470308863867373912790622624279742701063209266510290339396330602817515837736761596756285336561433534732860109750319499931422883375217598316459961541871617191973933017693486571129884914041250692699819519189531210017518499429313936678222854701582994691995331087789430459

Factorizations

Primary (ID: 19717) 521307840861183044621465828930833475823959827582928597186555092762451665440276179272690132481999612478878577364291352712899662081493 (proven prime)
(ID: 39876) 40035620418199159948776350763252140477472791476548845372200559635028684381015278952822428460800436345936412694554672982482829838608416302164821877697601124434554975414863 (proven prime)

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.