Factor Info

ID 87142
Size 681 digits / 2261 bits
Status composite
Value 320466134065444776553225507422968961358300176403496676260353258703988493100692318316568611738157636931199739401493083758099441512909742861366310144779057821071033258430930458392490155669621688974673375629694095147536105658919089829675403225822769237882242179976488540839354702320541370804556058833332352137844353257416905174174024797169118932793425936404997623126754024277378394762532744096194078749267099204963661841973211272686244726062319740955691513059164276877940069059084218186324017024277878434253670405477391763287088879819814912912801322150222078231107178626013271343639617689920504316317697120287559267571155790309695426177781416029779788112275191854442609024106720022097

Factorizations

Primary (ID: 14476) 25222813432549907120203219752470337287201 (proven prime)
(ID: 87145) 12705407940411791182998214624497718011088872749394596401492946622237815292080575998660931130558394879771353103611158738274444768798523475350064920887442063112857372357563220352609693374239009398089037671161619303738058481846729824274925243610895896785787346845384434411318216630357944902708904227567466461886206935061824048564604042075529759279142681341150457313960805092558364655161559572158416077357191777813947797695036227109988869550290136701702438944084886783817380478711971167820103368408466613888994035253480699281898698344687520727068395748480620155841816386490427279634172565769409259025473625013655497299956966955894639225641243697 (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.