Factor Info

ID 213639
Size 426 digits / 1415 bits
Status composite
Value 646941703540191581632015691553393344063242611522390275745794889455415637069789208082938587626786158861993234482170662021538043369060283833889887591292897866205904198566228103247296019606329683380946014161219829096843453592929277947305439442833417062232519887457335824611362535322605088820454978507585741018645680646973889524031258061869184278796425266318805815111422548459405454661171303294009643670870443959600734824006961627

Factorizations

Primary (ID: 213640) 155070321279397102093 (proven prime)
(ID: 213641) 4171924699727473385303371112792415251950843314866357880852213828640198146904831383359424410138176186717901475195422552621447538681570415317780838573117249645685015084552535792766729034453002779353330172108334556686407081095919720995422630421608818393067447262073921021255910709270722289293841994883750116812486417650576386918921320125391721387408612665630517766612219135116131720820009700507588552040860039 (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.