Factor Info

ID 21645
Size 485 digits / 1609 bits
Status composite
Value 15170977849440326708423302359759452069213924544444571347358089850075736723805637332884095121405841298664804982278619414029165146317433164615863575904505529494614173887403144497792418238571816966971369193120579473621410750310728497606341096436976687309408493501319425979375907188930543893687734702549850725482644333445999578929158786203970352644414762947800954596117413288331434292052161683659132391943937183444419591527222441242065106414591755310679192220668804827505531473976231180921

Factorizations

Primary (ID: 6766) 21783999170235219053011 (proven prime)
(ID: 21646) 696427581128874679088570084782836598376403708712963613598356479338124708101048263626790514091776921308561515342095677625925940269952118449495225944984369039381921396610224952654004465780048031712885037705543584943388600027905647090712962139478451749414828663133006064461438481321343362518338468373891178349258332137437376143160652676762817759387103881779203499909031025880679703932337708192226306598941890009923937211776418339763021278872520476657113084730199811 (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.