Factor Info

ID 21428
Size 420 digits / 1393 bits
Status composite
Value 146643841116928364032937884621943602625690039730140206781318994477218699534546626714029917952230267980951687007149233661132439948211470843568854059905982676251518435590897487966892937176974125754008908675318146512043430436504474909680864273808195385699933886534049168921308489984445281470830149419736648898926582377802560963542791391312863304745380400685977045805292410799149572641796186386944108328377157909527716545831

Factorizations

Primary (ID: 6691) 8198241112969626815581 (proven prime)
(ID: 21429) 17887232041143269096539070639774842559314074828654157335007874758455635492286167750146648751928240886050751560694615191769484807438515312737155744653603696390504978056542111889206867115817741188281012144515810838595518609086126257158007003797080656957833029590922584888811023407091798874056105641571268038177663293965359062434406868110581328744262720425947126337094879866108818040159312346050535251 (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.