Factor Info

ID 21813
Size 603 digits / 2001 bits
Status composite
Value 161525874985529320249451267237903025052198283482906991006280747695501846485401762581607143316875077304842115666477000262241660800862837720032147082729037251348337872659592567026985784136806435278915963252152314908712364432258821181649629476476114052476973022660938289841305076907046178264459478690910555106899839734969938193202641406853155084313696903423296675279648886186136053883762863270006820136431844192535359672090277608906804160448027207402544591074326856654237988280329449063798278729798386482731205860355308930772809437501157309923218866845305933338351081188097618296546465968837558512774878761

Factorizations

Primary (ID: 6679) 18607929421228039083223253529869111644362732899 (proven prime)
(ID: 30544) 8680486223322602429874763365606590101227033825138265139264824984022681649157727659505832564700334111368319655879030568080398751891353635139624412022851694216616336121026806296458616197986804229438577014505451560387351028072395113467401810696681011019014362352415920919389312925906573701363093528042306165176849929117868538315356878248721278093569511378726276615042322669840433168316282765111072287948692180342066097224127173053079160997095433035404057969826661428352069676592960631716289951879633203254605452851670478040741044073166381731630273258116174339 (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.