Factor Info

ID 137523
Size 476 digits / 1579 bits
Status composite
Value 21158412316937124228887247719646364024316350801808172406964180212003246289474104816633338932100743618779395773427695344318716495039269569801135350868978046801117408194395978435749576995543223127509987378909191610161171620811520776082958252510959094630577344591893082557278844342230578176729520428086638086284171306095422004660811265363041143848859082818650173143178600304124691969201725228935050256865914395498376626509974940161973314301978956154673937382587238181368321940687

Factorizations

Primary (ID: 137524) 725845814810099870401 (proven prime)
(ID: 137525) 29150009389353184863010451298001151645543685154330152511229300798433515544761780564607625583543153871704707280393450881746547852168548812806474421310378610248289209581381424515462945871611689774654647946299025448856622182159709049014032252338407244959050636966002673674058797500836798661551180542197487230285844135340025848019797799390784699187036161998915114289764334323744548828801581055467343519994347749263465977058200832915531535080088792254528895887 (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.