Factor Info

ID 172891
Size 820 digits / 2722 bits
Status composite
Value 1404339150903579654825840687486009394834695859118705056008351663720287362765743960871672844856899769806066851345804396880470586217258401223308870374864967801228715805548122830387025480729048400782884000590656199245592494147448824624504461969615809971708076179066646103996120449248371710048508583931822635137186150718926039655172244696770567479297239165581412879457557953037622418564085087425620355601503476985381028096643034959956131392016132960832752534199313376569694088419458452913816453692074507161779439336515904467921924119368825811441517546002580859061857067623284898519690222200573079298747430095772191252537274379135839277659491089172917940801521874514823968842233130507307114174486744875047813690767016531932639073002666762265104146214088892391696189307665689008591784972732198982735721069039078229121420626949

Factorizations

Primary (ID: 171418) 5481444272300280907082046794647333468065634679129760109650301216859528119558271904119 (proven prime)
(ID: 172892) 256198746377886748105975381535083101172067121802868663470647919907290357072889213941283661195488823378437298350183682834687323859225331896746042113507702249638913374264627898267802220006829694773613357394179363810730400341349597525385591946029474680784415096255589184271375338008476003908906889814066313328038330287785022403093314616596548006709782477966852919821206971640612141928776935149870529429928071085621435299836973682701122825606119302402778240787723795588841089376820782502158909594393595768760906520459051697188918498395004237488270746467764423474666038138640824577164028396435617364990425944203616812572452797328361435984181401916515862733906210120688162269260580714738893391268096292995288135452086542579586083411631625571 (proven prime)

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.