Factor Info

ID 166067
Size 705 digits / 2342 bits
Status composite
Value 640786561286794540045506668136351376801444863707088060465384957618185491321365767431798465860839454798605420330753395299807618698585222265453959724950513542602274250275609584620776738445436005779552717018732904627107829187325846706181313726186771451680175679865635670063748058665881737237467052747092779131943683283577946381492051939062321973851926288394251933498491279732432884767366009294460078510574008585523956206450509015305941069900437236433951349182948872415667903822194680288777085183128592591622554934744300095085169100993270506231134830673656396568978308565334036349275259134887822051404429208842480848410807267700636636528925982884096011169636096619671343687312856446678320512321694437151947899

Factorizations

Primary (ID: 21900) 73883730374153134711 (proven prime)
(ID: 166068) 8672904820070670695238637775334424926226794738284570795413982912731140151711605915454254956453052970101629325713520728251383646535637186848353364020163570597153030855159220006738284137936734555728509743536162316257530968897483610153775092126598805745736134970845445248318325632870192131775449432377883250573476005809798860672196167927144300148207559654962352343699940212095715557788864132538309739279427911079541827697293654783282832656733573665074090607472587720762838680394883255355798304537039173837465087873217530480631634732934489090241524429729785855238931333609440346252462394659443637820234127583657821675258157544414115544952731052201582860907326840905074885840905805934580509 (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.