Factor Info

ID 195831
Size 405 digits / 1345 bits
Status composite
Value 721628781910153876910695726191012457920095539433469908486026957838246036756889613912486285268168349591757787683723767754769409133374645107115479555471979778465244749954037547687059760898568776133209443965793042981923539944082642606201837424707379404057741924908273953505299072435999719020689565291781767559666168350086766504052798383931230051554980066812632781756629306443142523110836333319541471066179621

Factorizations

Primary (ID: 195337) 641396379860564353791000286277279467814498327234626489712425311086596434936929291 (proven prime)
(ID: 195832) 1125090200956593419071825253286910149612961493235264565445751607682670066767333999430914468846304353145454657139837715089170367814239477987435980492353043317404896707590324213501484991237638909610582550136603499475532923305383133991199870869507600351900118678996088365576241471888558389900478174164161684471971042282154367631 (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.