Factor Info

ID 163695
Size 85 digits / 281 bits
Status composite
Value 2255748043567711940595684398859241616902537247883162037473697419999678350067753153961

Factorizations

Primary (ID: 163564) 1210458653094709914409 (proven prime)
(ID: 163696) 1863548199519719943810526560855025220767071239538469713472652929 (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.