Factor Info

ID 143649
Size 281 digits / 931 bits
Status composite
Value 16992398657321761700182968845163502301973627282510296487019361315776067499452367158251277625340075742248080560014129405704185419809661088204939679117006838383524183235589397947796472847829837732584626548631998385943353768218068820145718404695511512418358208116107392610106830793181

Factorizations

Primary (ID: 179469) 13628505158163068160232230379231 (proven prime)
(ID: 179470) 1246827767251041589989974008987781052359568068061195084410387299949761049515867544478067479209697242222771047500153987332333496970164648290663601551953527457763422670048050699595654005395377368133858742064713154865789550203084460934035848216428960451 (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.