Factor Info

ID 71999
Size 673 digits / 2233 bits
Status composite
Value 1577397222265799990646700444145784640377211120753185124660575641006396556796353783319857916366798037022699642940639106258847708302445352665671785905496929564545816287464554085007688163300579178436824495720221598017074765016007843731620807154196907834579673881762364349352021750215030045095762046424337921084741548926947948067616379289584004273227160685209209172711293974792317100451666774220513484303543264865349222704895191175014178550514531558579367495801558918351384232228711257075012866053151847288071896118270795550903108920732804188590840354527161238989634440696527231559315475017073521835481463183063976788065195902172129901586879952649278539629312353587571667683819

Factorizations

Primary (ID: 70551) 51433451961886233152209 (proven prime)
(ID: 72000) 30668702218056446153177401543413434897181936214832146321743768641075450836897217492768328487872167643582376222434809043053114350914748479777738116604868375728560074780532666161063541194591466970038580850394709138268188075087864301059075967355479952809022988795039732212047458101455038558433725133831710184200902929939788371620935791975395995479495668089023293008353918728287982826624774181217818042163779025055382359434800427040512858655211398497199961822840836384377353462007785940032342734037712276651105895798019507593752917869387462550584251255773359677661911101516598825215749516930738638092542817283772452179850233455609058100295197999321399291 (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.