Factor Info

ID 8647
Size 299 digits / 991 bits
Status composite
Value 15618508560482880039861282754247350041966013174262859569793557814909851270292148504113086060842884890897480315048428118933263432784692743761654040093989964552852951003646399871119045432128932861856513087805130641708565421072896005813180380054062757141106481227479310882007931846710133573596934778019

Factorizations

Primary (ID: 18452) 37500869458383846642957881261029 (proven prime)
(ID: 18453) 416483905201593741965652281678168306438139125567453341044234956321146460159219511026178734958073395719235832519754879974404549011380392637782134057765522335994205711479209859233699857527709825863987765306145235000906492064710439704612508786970166783220431570637262311 (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.