Factor Info

ID 47220
Size 251 digits / 834 bits
Status composite
Value 81861520918078498549242386693136438170599925001484998259953720524610290502841392501062790770640991366015122308887721108360346471052201304831757740542870409693419759702768170646319136380128025520368770725120854914242415709119229711807007596434635980477

Factorizations

Primary (ID: 145) 2416423364226955152383303968756154137928463542120118369457 (proven prime)
(ID: 47221) 33877143438507949428122136319224507564453087726387326403079782430918290296977702480984679973850767245850711102439835689977353605432825682717948241061600716145752570530242538865362655783335654861 (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.