Factor Info

ID 21688
Size 651 digits / 2162 bits
Status composite
Value 485125537877389408172089794220771102881959965972586655643652647433252887592911145252963014694078627361794487557984186406295842763650992712747297624427400952405992980195084590533613134103503623497284597245295870143707079382661677701705418455194815935033118941054800743371605492517778352332430635682045820111346752087663143010679727665480205126036720495463952704907592716045384034294763024842881510857501604691038246007386757835444036272469851284841203814593343184985912464277610251713838286041086379976355825483839868448004298870127098738622449130669779002969764886099521693805206921707687498634690186844037980525159177133173801510321045306848090843459

Factorizations

Primary (ID: 30347) 480209254372355016195062826475159 (proven prime)
(ID: 30348) 1010237794170501966134263602404230014416898269616441439442309942116268692076153333258303942706833256464963939092729370426761399518071048216422877673958761956445362585537969358882301905571043579066308835735878140951595788201119408072623824970635262264567090113357916149902184026459021083090880412935308466606941760526155972935269225849898749729236125325879595751705603690626001530568477885263350062652994571022825914000505595121385917167998080419793442340112912319780319065488276334896640835034610651023782523287452071209305216271576524538515786921276579433677403361686631129670973648570584048921226026963634748240923701 (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.