Factor Info

ID 163956
Size 309 digits / 1026 bits
Status composite
Value 655609662832235112910783773169642502954918312292742456835908085069672853417646071797837754017413632209019312733758956984012276585258430044523073267455589944543813957872519988221000044061100816179299547257901659626843970778878933267576378896479083831024416452802281877581524868678727822047387643793261002649387

Factorizations

Primary (ID: 163590) 5146175793224548829053 (proven prime)
(ID: 163957) 127397447964255379867873419344976468196561781950258576030421744112282889103295533708365272853358882409827682991212467488444274472920912984246075384733253297336629762737747293941470234124884717864379204990139566009097870089120448784130384907611870291027578076431389581251392397064012161479 (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.