Factor Info

ID 2647
Size 261 digits / 866 bits
Status composite
Value 381031350906732883461536414282580449044682454705166673621030700601950124541480131688262077952868071222666761000730378942880197057215248899737309044369733256169390766129612569550573337604912354648517318314686997643473704889411097127625775354534731374141176331469

Factorizations

Primary (ID: 19831) 3203031926532314264104769060847481 (proven prime)
(ID: 19832) 118959585682071967942968312642810526315603111259271184850471870604039786905701568597773345457751748980650276882038578696040764516402400525496384311981645533105045211826167660893765127308231800096855693605709439492167554578312949 (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.