Factor Info

ID 166305
Size 742 digits / 2465 bits
Status composite
Value 6443560991528661909448228141908773019490953772553357769230246769840763282192211647055218273445515811530115236383977973158786912600146402086802980553638693911696080762790190995135107278813078004866296056024605227657603628787636640927150131952119101231527360281779564431630381183832482024923484424928672145408642317219011659881748009583714054674537887432228439537472587266335037661349847213420714699595319937005991075304956040346231498257355855809020624695356210104794388667044643215609475310670023934161488849335802973527756635410951060186346703240121632394930283240429823493720460876707701668617531119858888687782323344594768299367120456164905760846270144899397818690455282739786128628500400809779482791711570234550618343542361727164626007267

Factorizations

Primary (ID: 17627) 1729033777786271873555261237205808561334014171072246874503 (proven prime)
(ID: 197432) 3726683118810162950029285118199000496286251892552943661799851058475184271479262937835487666739317892378848658233148747625296669340561334596450638494755428246418279224815807483797881239998928786025426775180938249223369820572874916441022115285927610197834476978450997769781387695500763072736909592671185818318629306211684381520975088586878553312261105170454183423375836082623375287153494904894913723118235977243104721483657733829023545123393951877670998882540967835010144670160520936261566889828174461419318147971840584620489056628031099123562660240490734234843949661752019528121769240485252054545867769355931677022055578648318032545980123907042785985745092542499625872451572161276475589 (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.