Factor Info

ID 128709
Size 745 digits / 2472 bits
Status composite
Value 1064061755543814937022359174013200640504825895618436739264825122609207865201202843213670771373507356549904158439895593245138266677671049123670914381326632511136608026928043950235733101138437308936584632820749708678309589201902542398852831175007250585702072601988129099269288160448586131801317566928959982423934960387974983384836218668309640926969050953849651077836045389089258552770150479270229989509649737740936675299270022395006834720445806461882625144445339570053134493997967465433360566044838841614558039094240325226085044873232209912321847426606024945379387780620112183219969468316068213376334587264669195302674130852908699874205900252887240779033924049634824336289875178419398682555449120626832067394125852319507048097802619260157902390231

Factorizations

Primary (ID: 1109) 258899611203303418721656157249445530046830073044201152332257717521 (proven prime)
(ID: 128710) 4109939565371730792762329295253942499937369273037248447115201533766451797974506293818749878142836318437934612133216897535747972405682889305928674418022646556717966740958098306287741244994205430609969659486527589452252231224269310210318460087005041194561570658120706310573075555697135980571933991419793312286534248320297849223794568595451289382056478137383928502277186171589584405683804215176371562279384169858743074074866005053744104661326943710106764095225233365769992854376330935050422003777410170300419601412169762534239311412054258312337819856751186962395704674490600899622538280530406819445197217448279990158621204614288591866097674576335518936425384403562834272404505297511 (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.