Factor Info

ID 87145
Size 641 digits / 2127 bits
Status composite
Value 12705407940411791182998214624497718011088872749394596401492946622237815292080575998660931130558394879771353103611158738274444768798523475350064920887442063112857372357563220352609693374239009398089037671161619303738058481846729824274925243610895896785787346845384434411318216630357944902708904227567466461886206935061824048564604042075529759279142681341150457313960805092558364655161559572158416077357191777813947797695036227109988869550290136701702438944084886783817380478711971167820103368408466613888994035253480699281898698344687520727068395748480620155841816386490427279634172565769409259025473625013655497299956966955894639225641243697

Factorizations

Primary (ID: 10698) 8634347730786151573123090429372562600645891723927646583482687395339003768803707512734187494061649643499761 (proven prime)
(ID: 87146) 1471495975904478925438947007526237278850223279188491072519819893753168864108149671674952968023291835024283937097877649431360310403977926087517983227328253346977918028374689963471877784080027524404338600078179838271133509772418383512535108300238587345050135897433155354362396484714458454355404899979559101243354314565837077442404191178584704284453693884106819448430560034079214076501110424716286656137116132276502885226610233008766113145406744902094518240568571053167896988414484573138926612231410603004940519210137282558522684068026177 (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.