Factor Info

ID 155233
Size 486 digits / 1613 bits
Status composite
Value 261909922028385476660817169262821404036675310899510069886144587794161029786708130149706866188974210074085459534431271347900360441291230415926802445938530166825337096981956108296359067606474160654879127316840607355473122033318523953190968497735945656923307516699786817835386559572498110370242342480595672501931265763962862686639689738569840928223348155089426957116751608035364155990313407017147785201334338981240072679221382717763742058551916974876748504457445697510423192184081864453197

Factorizations

Primary (ID: 155234) 163167678522657395617903 (proven prime)
(ID: 155235) 1605158107290328178534793666707174547350123001271289493871621313271476337574669386509284658897838878413351580735468114299715841544619794147255848879288072789092045107156488166541851243884640703644220686214178227073767778514475244026675650892908721428831306211547367376408764029092551674173610233552216223615635773830538463915562328367198594043061752461802764247868354240109014659552436598457808056613308741237591381595314998610043548077628534457200662128551613699 (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.