Factor Info

ID 51641
Size 647 digits / 2147 bits
Status composite
Value 16255318887256058199467411530681709772132964250120522110388142119370683708473603684042808886196909035749637154752430034739285982591392879905499764528140880923319083979261471276989844846425910642161827086783852778762322391769384281187548397943241462581736283629741468641408468527436124405314763389197550773146407687830256404950113503916927202903957765039074810734322788773508724709834273434352160763636336715935644359043983525065068874447105864340721769883520278151434569221997269412055773754803686831713277840200534246232227986048122326811717749465089635819375091541587126893730101851177688754318294167891462730179095572241004489082110929288658937

Factorizations

Primary (ID: 51642) 191918082448766437038181 (proven prime)
(ID: 51643) 84699256473633759282836635596366719626273233359819810334398446888790989384103312577774782550698823180666923522627199420830732417382601873697208277912216645944360322169924798924464880877573980607874796230477825318827906591181553052390440797223088838805568050777646911761307571558157788999158868972988207569788842290858378078750149839503154855357743932220309237881144997975220633335541037533847826182964294659487082071798100409234919770838402559044524418074613118453909168878994421676793628122359824025842453265223858010044152647206976609734089894402826631699326043947099258866983587717162629596360580405096954511628952899077 (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.