Factor Info

ID 161989
Size 411 digits / 1364 bits
Status composite
Value 257108463563818307367038860848834085772262576863233582595951033392726501158275398381403149518177748397777195154906651697871849999975339860105718432328994151168266046813825015458518598493460651829683712386332406583212066034263903631053710166950115587375116426799932737158630785927328150441889470822984846325666782400216654844157973136152141199500224836504520450108322444647945962445004586661529071505676021867637

Factorizations

Primary (ID: 160979) 48142350646002821087841053 (proven prime)
(ID: 194260) 5340588070872804242317554260359552494869528892239590329721215457912877725047091666899833789312565536637359043785730288461029978050397842265074501354088509758387771615142085664606058955092453188355898457440836408453136299149311422559078177871750214523539457123768048997864162901078139929062131678695976639371308690476042807819756887820425480296677331173530134859759143980725635475580729 (composite)
Secondary (ID: 161012) × (ID: 161990)

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.