Factor Info

ID 21018
Size 437 digits / 1450 bits
Status composite
Value 29278790159661698670954955197303847544597243478451418204961173553776036852518067799446424266025805736599227241176839741635701803583911296625049004759707994833371826377952767512530402554925099998469130769583444344350262986048035267085052165824862071547061108746726826820249054829846993005245003002132205705688976153093895587404627848282096472004796472121657583071983547392743366431581566198595127080461842975312001037313731585898762397089

Factorizations

Primary (ID: 21019) 238793178239554489951 (proven prime)
(ID: 21020) 122611501616221058623186075067694090612547515088834828719867657630083945985769386952553581201121576241035186087328239763371355536592629496530766591884640355745071704378300634653240975202517562854061924118113023579199704532440259223177736401825917951428777202336288318969324915139205379411116594687084122336327978261524541026520032054704327561049213697059977908846196230881291162498600468971182388572008720297489239039 (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.