Factor Info

ID 28505
Size 647 digits / 2148 bits
Status composite
Value 33255814370966555474010141772587635843660532488004010012208293564352372123230441410384393023446487933211033150710322485615115554651874291432458171519652251396076251481862304740066410564341972827425740878861352140271816386131269040446614762656308544231346305121815137695259933589435658027172574259121138647859728183613868730959553385237343691455768653694878184862304740066410564341972827425740878861352140271816386131269040446614762656308544231346305121815137695259933589435658027205830073492105203333738325386456366803213917725347701467976947259230556985535181476794957365419315358951912012062462757431501685920914738047220827828196482742381373297

Factorizations

Primary (ID: 19478) 31388506438433752927908678241 (proven prime)
(ID: 41367) 1059490181101652279447231605729610483773176754880659244404672453526416861711751248619357068885360983740696841647395181236605750049048908246932042069160640758669349639912009193304312851194544321247350452022547180875987436869209724486970067957930839359241330650360087990806695687148805455678752649547977452819124012563130790275513029932042069160640758669349639912009193304312851194544321247350452022547180875987436869209724486970067957930839359241330650360087990806695687148805455679812139729079105098571244168860400759286206686922728405045431122876056773720944552932208263429682231091148864194576057224042619258773395217 (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.