Factor Info

ID 77891
Size 540 digits / 1794 bits
Status composite
Value 638533126611029896727421370345612958886883761302394194786877388635869148189801197845581740604630469868698439314444412583346252501760530876541731588550946859430301246508900232425248865871298167743672974775074213268917351851348378047310929870051783015552448551804029154270014525559434203971066209807733603878026070165502115704531506344821043598515757974220159407657886456566856803076674760245440364644680932396126330722701960860654166755223293428828587736969554376218409742232041035474648166420475363054827996953320590806020474799322353723573

Factorizations

Primary (ID: 76516) 279664104208076434431292830502330171333066295922014328102768404668317070385249959131911404050874257766100218053832841489186103224612734567005002079598226839721185035277 (proven prime)
(ID: 77892) 2283214459786182544518269949310955276149728222624347350948581601022818387053922617992398344423435531158432032168908826845068731868891696951431983460761305425425895149225996673241625781898570593843943038951250741266775327811481340362957647117558959748290449645392911539234563423051421891917024594564639169570873404808598787963696661479414187008508155397285805450906539935049 (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.