Factor Info

ID 163798
Size 130 digits / 430 bits
Status composite
Value 1969555687434529159002788851330056748367081502730839105742165082996410666708499580985289590019608818055791120018252925222393936457

Factorizations

Primary (ID: 163553) 486647943120513611408211497333 (proven prime)
(ID: 195464) 4047187942078259075380845400467583720777960592227989704191074391316326468436332858815598431649658629 (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.