Factor Info

ID 211791
Size 306 digits / 1015 bits
Status composite
Value 215711810830641838115878228032137570811867639768431688232539007501340638548438364209467550469862574366848371544422035787532240837434413979254404876260810476719225523144096256861613379688063979263064790139708675203452056860018458720434291622929134050138073822738870872312029943439892323283190453286632095327

Factorizations

Primary (ID: 211792) 1506157777071313782677273 (proven prime)
(ID: 211793) 143219929621243314922520596133022036310347964006827430527017072914746011728752391204155422098241038962018699796342202712942707680614881881147344834152681151044728421544308502247226458781203975574216497711549720939873864970360966808810854763820057611914847025032911269833771324166199 (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.