Factor Info

ID 172909
Size 640 digits / 2125 bits
Status composite
Value 3044980663707375315535351243323843952824056406886869483090367502865964175836309429261642204883197598803365763455007812201263683023345528666343685692811025678335345157267303921462603295125896580347828181076576904160813541671052332718590856385102981775211842145333529851435969586590621949892602904598637714345279896462967441963646440024288179646116631746079360846656229213071463680761245703427575108290184527819480332725980372403436183509355017734057292845011926297486705221070612087853708822116781863802253975007787477310344786787481756005737938750678765109896893306129356002083438669201455403675606253123612115329652729136861389527763911431

Factorizations

Primary (ID: 136545) 2378210040037186253815167278790037317281 (proven prime)
(ID: 172910) 1280366583457768632911175541262948493583872499093250951066935553828169346259268953290368570923098169988433689081589002046807158784181886047025127165614142382031631208708100529568050560028617122335991356990132492528357065750412383599000859633312204039750797777719088394876505155085314091878193052307773504415683931442875191383380372844072365531950724814590765092197537256113200979940209466301504089514223709874631832039008870292527635520949801824150022635771661804371164976295522853521451441645618620132034320112153997859587863804887066158426811208437856382032349011506560597971116116020801445987242151 (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.