Factor Info

ID 55815
Size 524 digits / 1739 bits
Status composite
Value 19858164535555215793226125266965726326154899205116961879737156590072861392704417837328707121064518535017930752660890429583094052338635540804742030120428982031217409784127349259822047959097231746640090250852657517770008861975082003039866556850000921879788796003019493956721780544932207618500501780369028316864387107094989812402389050919466963507303860896198834904854335737033004376048392036257494542854005864348980667218235260997430636097395205468311753484486414621835556672912917649408951830593266395682461072738714165626309

Factorizations

Primary (ID: 78646) 145009586102490829218552548223336637 (proven prime)
(ID: 79554) 136943805366906789354103677214809393745835030691280371843629849877302763621702944373219181931433489715756448338710809441832781228941795555418918216196047711008676224461645462999803739325346047546936719091987603450108929032878378908721875313783115083510253978936098830479889874482786395248357114644947660427459551567658994181106450887016699715301241853250081351130948556020964306370991510751433393912427877291854435487061666711726357873199302546143754291864681064153280890085403431723974057 (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.