Factor Info

ID 15803
Size 395 digits / 1310 bits
Status composite
Value 19538406719673694683884673124887651983415026143221651943539935605180373576179927020721124974372516751672454729837045603310372108540022468222675541197501900434801729063029571520123731153946622459785578229895941407126276614897951152105346522443419863922609762266704464791963838949270768099740627086054505185065018038320492209547840099210994720335879587262215728593756392904638450166637150955349107

Factorizations

Primary (ID: 15804) 279037459866252962991182017290680305257169 (proven prime)
(ID: 15805) 70020730295633997994818674102751040339896172358971646935613645114374983646812667520022208544585346332491761313855235608826484076371980209917054909718518308830622577320555386619499521098535564724232255975738195568846414142484778460507087985715303516579441581198911996909818418670072963695751749524387809461895211209264917856595332629177617986556303590403 (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.