Factor Info

ID 161499
Size 408 digits / 1354 bits
Status composite
Value 257215554847609905019941000140351120435499388081843992308920893711810732520631657098214642458397648628082473294071354256284203196411372603066428317491290000436628662365977540647389940063932929314233246507806092409436245127915230773369910822669080912511700801720329529791673253366446575446895357062708459394800462694215146366586292116021161364538847833480273276657089940918935059703241632622586388697843790837

Factorizations

Primary (ID: 161500) 210683328652770636665380363 (proven prime)
(ID: 161501) 1220863352085771862296960083398874243425022659737081400747774092228269033999498174181183747548653292363842633910778962444674847739023003220549577045898188842048385083407003681915367168514442765658029311741236790797245050455887682815614375971231820013519211146603681491393667495546538500315290247006889760153458837393865315101159171685426419650496410281664436706355909899612120102399 (proven prime)

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.