Factor Info

ID 129972
Size 912 digits / 3028 bits
Status composite
Value 215835283195345806851055939121440458793607768182794041679142052382617357528008480488176022117248529861505146349732052703899488831063029255577354907878865239021417734996731971422981993284967143947877182548740157153861088438653504774589581971814500316005772335331339667059982453320000373824749853766945801061062128635305885270754214692010882355417656673971984967625012565305871109942631272891071599983469687032435907315680915482602315731704970517194714036885800958594766294820827298294525618960764013743508967806525357222128076634470059086359208930429016371582807522924222606759597539426911547672879353878276859822079274247843242549596756899205546522907291334614573481228703296343616402132389440861308426841246707146476606189735869628613348754491651085841287194729648158540770216997227265180344139985916120065404603086216462424514359296168745067251419840868900591440490306980640599962606886303367133502036274742909

Factorizations

Primary (ID: 9193) 209920220569318301771955243607121764929397200998095660139145137891472123392390845244688591230489792038141853 (proven prime)
(ID: 129973) 1028177669640330226652662187406234716044093924448582968464320454811882631569942936320972693684277727000042366603815350150018652210724504857937003786913714671334817188024218085188172912196004486110552563358777599219742585212312408081560561585264691846614645270819147148788216932905274899203818147566005615690369335277437260022811520106260128630781443094563673884221034472303045588763036955220678571762620900994464731381718532727314994796906618722904726672641448217983777416717981495631577102422455811357220089182744271746476410923379651805100305599593299426234617675144838777841190709338034665796759569864334927661070959404546283147148298599060207411043044934102946894213167299782802346427160673645494470308309162006632948726513832178106351014171486858554643881787750141873028104417137513647477110990969953 (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.