Factor Info

ID 171877
Size 261 digits / 866 bits
Status composite
Value 267830715964730287769947227874242786917481343059588778103896651417474531283560240567079701226297863067160530521537871390068584575995933922476495011133342582801255269184553071463474283640700053189890056358426418351823312322769558539349085590411113904113068974681

Factorizations

Primary (ID: 171397) 28990488449921080692492471080111493557055199347305037079060864260297067922505961 (proven prime)
(ID: 171878) 9238572038114776554499676465927234117988893431937081027247659827801687066098846511788365933598813495224020773181748617981754196365112064195743703304178110465070634777801195390529521 (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.