Factor Info

ID 128165
Size 542 digits / 1801 bits
Status composite
Value 81556672448138043022118891593828464178098969136158825348875746469561612659052676823296744898074025590811802292745408601994367119187830456590992794209659380436093121762627816480865021749530646359823931293863926630665652910416212729398337955578997810098821940130155827350505898105352709469542670067007222676516709042738724025520669124192491255160523402699660432464317978662746442893570317681451737825915645856615068658480843071124276422603212226625181469743141020785586433239870095460839183396816464351200732128276386259515857329135895056070501

Factorizations

Primary (ID: 47730) 150371376383133591433167147333157755882511918832201703506628111737877288348862917301 (proven prime)
(ID: 128166) 542368331060151477655096247750660087896829863271946992854843052142517945738401420342781359250435208315468152395945076485101890933113751773770975532084573205702189406761748341252924528948524387404156398918848496302172621397562912254463540576474374520179653260703643071899252481533573269873805080376575118147802714396839229580865994592047721400643708448478900326739834546543015859534883584674252385277474908170927688402785266141334403419296763411006293190793201 (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.