Factor Info

ID 189304
Size 445 digits / 1477 bits
Status composite
Value 2581520900294148159035027881382189332698854302332877599025317484950691379209808132988226119674370171771816751607944127100671982840883861672274294745066146196230870504381281856012768090541494432995070885641292816703371008955928740589569948291790894344333264914295478294467901666252827493828309891520571512875080106479835407418342303871250298043468832533348557802185663626489804036666183629617109895319705177695576137859567394566430387018943745947

Factorizations

Primary (ID: 154602) 132259604354473376342663326676479453 (proven prime)
(ID: 189305) 19518589314507004748599575316716596835975594856907590158729252729675549652931118158251506363521708112131920903128483063341550643564517520905933351865130124693083613718723361492526976967669483734097167121306751707167362042935531932415529064360551406729024891088924094874581669158527020699430674276038946815280864738277088206801677253509965336616857157560938851177795762035286368136746819614598240999748273571799 (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.