Factor Info

ID 42719
Size 274 digits / 909 bits
Status composite
Value 2638178423896383406245778290593591366493056431266855548027869145491001262116101376656097792626065367142430016025999537486774050770861098837261223282828447080463594518220432169102509459398605739199614682331332776250781174119745189668924574937685805924010607592614528008376041

Factorizations

Primary (ID: 9141) 64350963924373587143089997 (proven prime)
(ID: 42720) 40996719598432406519594658042400348728417132259946605558947853922059730118408616169222293007673511379248176576688082691911588395066632101536138563477296071249446098216304334008924495853935969693354708982296660103282086829320486891794235303396464653 (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.