Factor Info

ID 55509
Size 254 digits / 842 bits
Status composite
Value 21018119752997045672883991574534866251884208962612776916741511360432412527613433740595438735243312080197704179594621821684397663391825022483208792286646253602218809871208366812573050725437054588104072302494101228318624784822621422967605731804160090369921

Factorizations

Primary (ID: 78723) 11352931040252580224415980746369 (proven prime)
(ID: 79169) 1851338625987939952048011757915849014270900041004541429052162477492744056444847486788138076896370437387399665375678521677584878823983077746554337043402250795772238206229744138421396058857306742962189383590018133156426545409 (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.