Factor Info

ID 71993
Size 680 digits / 2257 bits
Status composite
Value 16649072406523845726214372290178603032362201257851834607097691000972129759260837143385289526635033060436761803543063663083267276844143653474963543776745195300854771692375458721710403996425036211681208163430430772745847603936209264514923675301060725991953061509925004271909371022846081852444582556036090563744145285622619103391395395813326494231292261428949767272637384530429601019533658064356335170512025338777615812935599260498636714114340864706275803091381675527781036081638044524217325245233589004142748236841429732500436746931605855828929456464418834602280133828790571458252880267424848805499326485364959681663079952236972185772584148975839044297954706835101740183713014948999

Factorizations

Primary (ID: 72609) 16382282349203301699052609943551 (proven prime)
(ID: 99325) 1016285280135799788738008554706827936799712908904186964266314323135750056864173956529240000662585161331847917486794383579891467641631040817787244367315228901104458786624391268572466565193661177563025521484610424273249372128634964401213735351208222405975779160300159399685006376410529440146738015833761094943090779303646863560888441021139625557912348303603994700698579631038449667157234801608684786971214649700396835708567037092410148035419574900241054945427856766804471473954962766019944297721176732155103639794540436851138049942141298798549966666982312251724439173140490122525148343267436238493041025952100946176086692935937936880643312493551965049 (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.