Factor Info

ID 151421
Size 903 digits / 2999 bits
Status composite
Value 398507028608002500183632195102032771421451413101535847649924212109169045649585517773911849630632795488529572416803564797157196318792660446262082504036300084702644942292400331744575726599921725588135853687762173778152788212251599878187863883869820225883268264077743465330526793324335545132311690687478516525141969262931614291354804413155142057458815168484174341812066998468936350317131838373744289912798991805329851357634324006552447052212324619633333802155753354621732844169279985484943478300151552127772247912979317332131462604692980898539013483262134649883970599642481847602456063410687683136590803997697559648732253594406006848504227939283340618173561460353177956544568023861869419448276435684379356131606410936498220446540589987505557098089396109256609914789957018649327213885343582590582901546087666216573201760814770061048801063611072977551094686291349948407417572207753715953636731641133743579841

Factorizations

Primary (ID: 150367) 17900684653711655240833 (proven prime)
(ID: 151422) 22262110992797877104952408277163829242725169054326213846259696552728498706048459550168715229849193165709528903804314859900312112227774865526131362879475271453342519905995676601120854170476195653459453422153185541813913822152726654449793779409456974287409446189046030078857570205029609770342348846832653179843175333265950254511082557102597317936028153296946991130823533676385099182219525731028990826008520432771058779063372777107471430095733054525246262433664609467877325431127399877667382591006256761172660981672517747677672850619093015960002298680854310523729085161518892164609575031498830087688027633491778591528540617553453626650299181233145020717526011752843999345473294006023833620016216986244721207585804534827185424403000671544565214453950630212920794390885287254980619273625498267284819815524709783610250037931729954267529009567346772707578547254312822281573841530375142977 (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.