Factor Info

ID 155478
Size 470 digits / 1560 bits
Status composite
Value 28297426143684390588067058722753072963963255937107278430180582627851714754147012724846943150150640326721362461268440567233042938104705240394322259452465341421411369276704843314307821185881335888587513619682025485288330104183761596937528923188918568738121107635831351472878996804842402870945272533916006365860502933237267868695620030154091584429397390319905671848203161295315458938652538546660887917206448645044889989854866825935091741630075627443080760064814535435308537

Factorizations

Primary (ID: 154934) 122194721849011158851300445378114678377068248839122953090283691214697077951438761638190217307951822103888354603049500749129951221831951871558325049432873522776075152107274557362091801875981580056729591246090294549167837 (proven prime)
(ID: 189441) 231576501140940098317897105234632941785568457790209403624102464581458758733745281356233251620025056753365131830748267916702612771102885703399928064657469072336296131210811569192279036979250365163576469473747687739526890032263581022365584937207094961101 (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.