Factor Info

ID 20887
Size 374 digits / 1243 bits
Status composite
Value 77145045152736662421962342032181606416544226808920259079054733311022170820737355479516592977936466641439538879878367210122772289994900424519519402199821718894265538357844323613666732252502924338989999703064184079800025999505789955161350604785242469839007315753770078392526498358699852888952137758852214950670358641265169903081125072796251407275948355272195804024141994666449

Factorizations

Primary (ID: 16492) 15957217104409233285978673415179 (proven prime)
(ID: 29134) 4834492421076370360226582685554319769076340464305863796308617464576087286198994831913272674195797728862693313852057267886828831430165309561533101489282842045767442554170461993781765220151965053822698257327779290693887077791078168942265489837058199432991619780338028806872927942857682483396572646604079849584811241040421594914288425867959482131 (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.