Factor Info

ID 128444
Size 621 digits / 2063 bits
Status composite
Value 638908884821488448561546536076234333455310745607466886968945159401153577977181305124005451397080210242517746594889701299999028964833239382354788534652078530682786208514946659863383034170478456845906741169454999419847445804345048293759975597815947290003477783389461950626493026539536265434766864794314999000127259997564088923810349554048247044358136952248332280743418019445921993419553279155921840876141463790421674049994525715505124977879719726516733738620471903225117611586342614993585670036815954619064875805168607172193109317715575364258097004941307350633737205311326303132322500400959917702421280448018307767397744543

Factorizations

Primary (ID: 9769) 2461895782535403312966952237009 (proven prime)
(ID: 128445) 259519062242148592648680810727538866246255384601285008797246917507994760059723751825534756118698597037192971109598472290593529650018257949477448093131832162329730609175307802502128424573982567960746129434405547805464410028705417833828994222570596395339746481612082024449399543456353740709891197377544173976203656303752726760740781764350866974016222592185295053186219975295098780250837676067843670345043072570449324699350352120979766127902935293399375063315074748207238864489633511789200370713836696841990459033878994042882655027386478387841828480153664122205011848386081736043614508988271727 (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.