Factor Info

ID 45101
Size 282 digits / 937 bits
Status composite
Value 621591374941590677594781042875854734056437616829318369987170601448399315791376832239876608437155740615952395023857982057658078693267202548182073842126417757825051498337437056165447160511125220676424260606803209436216262282461618083295309363628344557394167894139652010163358857605119

Factorizations

Primary (ID: 1408) 28286045403331562939 (proven prime)
(ID: 45102) 21975195403892653407460384775073140836757763593324670117340851849550724136882140332873371782580738267680855862445634807138268959558303368695842527681882884527223763082418082752562741538598113248244837664498191093022242437764340634020428252991283229037732252180621 (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.