Factor Info

ID 163616
Size 128 digits / 423 bits
Status composite
Value 21657231243697848470116076649794484963729838287808568680646381655777647286906107477242797164834672305370875863412133458991987309

Factorizations

Primary (ID: 195323) 5969112070562977949109818240380108293727 (proven prime)
(ID: 195324) 3628216556780989128598020943172107403815575972396800680757966298381912616726394921138867 (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.