Factor Info

ID 21115
Size 324 digits / 1075 bits
Status composite
Value 221189884572103979744832500951693148163073863037928914788371273303689677488425992383024493097554273421258157983084841129713427998950621916373284507495369075682114539514576493195566088307935735800712364890665692130943929001771643758993894965992691017865170364537065920607219045450783154211028548477671492254863269086117968921

Factorizations

Primary (ID: 7465) 203906616815994386234329833781 (proven prime)
(ID: 29423) 1084760700883512957795684730023496747130325571902168121825529018919352310712927268624694124980973712029208220369423695187398550003165734755873987193700823091721861053339918479506696543969395452677166020289473858012893514847579724315836137203887978870146892421530837006811731100575751773682601941 (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.