Factor Info

ID 153977
Size 1120 digits / 3719 bits
Status composite
Value 1864927472661038949953607630709632054856887151442461464050636711194196967471609193213833387662464049473028075030732015823812073431545056397147755972492057216423155500661460163393273096649266310066793601505951300466219487223414021966732547495721525770995692173602084880544193161894684468093507388229189808544951086150812421686596501663954061560715327045611379434109450746066682845667400041025324688905474113573533108866481487962588505315574348917942429138029915315376421973023666444124516295577410296557775204211329874786964623905836132245088996623762721744857618171770966673949454755220448204905418604565184814335547353784391364401880537522578870513684752604251506915622352074620998801821422119103962957336996233451528320122514115329848599628607817586632792095523160216583004128795775616297407724556254199658059016841316206803828262899541683309788202829737714584156804188349573019186859697019977911193718112814403691636289244048455215469762659407816521015353112549539055054807865969901152458076068170159302328349223764525639367825405892585136529100920188809911553841853860009775629301210782939853813666128420673699536039

Factorizations

Primary (ID: 152886) 991332325370937642842669 (proven prime)
(ID: 153978) 1881233391600761803097968565887308226514015193365613950239222916121438631812014428135027270486393339399069672862767614745449789163596534820422280411500749434078884911043810790327534506944114081534462343786149037308783572943203879093612887112308170292750448077876579303183213698604775023266650713693388432066737236589763970272176823019238152612064611937735003957250262247167602160223421827145065867210212419127345904452480767670928658909919763000949978874435986563331126410243745846751340026103242217990536260238136953222890763827016438359494114166110251299679287218237877156407778720250636304475276177813175190855275429936156886902686442797035081275882729738649913160228536921080096386839206613672628985147900710110519613267322910207325753925519317528691931932429894141258486931876221321824928514432522448670283686443046111085944955325426293202833955228037389426796060996480742850159065197364752375202012041769052120788825539974663600472410071728913753926760795087405367235786387489993023745722079612067744490152341975198401033675064183027507174452429558708113597501131895479713419582372757805731 (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.