Factor Info

ID 180142
Size 420 digits / 1394 bits
Status composite
Value 275582670632513969038031299585204237186448074368391176497824543849548895878795122779896650405205166382614872849342403220642047636662475518160010901510212116933254138389843325862208484005739485198129712615780478881707827696143868443069424059048379585330355981467939262381685429992980620538431572118239538732336487940098508716488548476506831570092038893281608104845617672036366905209063569308525080459465067276146584789991

Factorizations

Primary (ID: 179414) 78786474981920740652204583267761355662719375403255694914749691555519849968344559710724690343726486324990301696424805954491 (proven prime)
(ID: 180143) 3497842373272219228771536921823691572040801554645931252014325616574332986877803293236974351631095800551088680030819630854438208160016963141947797248660168231222978811801365073279336796922985698834848140414010797845157023570060645865134841214725125142758420635735504470360170383226684449138711490501 (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.