Factor Info

ID 159891
Size 649 digits / 2155 bits
Status composite
Value 4161554057630934701084059093179042925761423597549161615677857984272261900004279316677432777907736305238565404117090831634115147353539088815272645908349198290566641618467971436412589517889639866773880689096911296240534425311699637835724627398490696411511289191132964500032114361813802155268861034961727338590147644923494721191268376116090346725940812782348334034489877534539197099827883289537603111615826910742371485733937920651812340586088933878020206724630330147517158125213140573251163882424862939782154688882179347884044083476716728189841024028621422930234153703979234986435927285116151385171237629072011323565410929910768451752618887885254373643

Factorizations

Primary (ID: 192163) 65307462356847990774332275865199631 (proven prime)
(ID: 193390) 63722489091548106732823443900051224443103325704800379251718322398191504127441243003770219050664978418770767361810601284080197315402017484090110134849319179677671593994883053598164549972008668853793541702527534730561870389736170873558606174455185682681327306805139209107472492671796788659898005825613842591368006700028720098733215475719700706142586526916035588104031190109636914400579582113607442778978339199354227455664919514276340879977981508302910708184106131137866119853614928446003099546008108395240406804559388920964606340578263094012766367425637568196664833362654065537330346095825551348277035131629552957253 (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.