Factor Info

ID 203993
Size 645 digits / 2140 bits
Status composite
Value 151480801761588355470881411215442533992528342957060674125661735174366019893677485465499620553481103317234111644332482093096263375692346355888610876774777002472615647448664760072182684660393649890280750849346387515563980976992458330685629084383009958532462954442433968379531347396313080364769854849240305855198587646359318243949561672598716460250581837373672977734537112463375860573634621689146858365848302955655791095196923372787296128138662441528817995931537135034468481498829816303977577077101583852906986387040823757851851847123833894543223584128704863737873553760666766487201507854246271682662981488807312695858603987015866511804164152803637

Factorizations

Primary (ID: 203994) 4856419819378682941769 (proven prime)
(ID: 203995) 31191867135771716416479681924884175103107120205173753112475023340223185536477778924393670252356014370229014898004253622226041147566739038515812774177971952948014346192984399302116464438047965339841488255513245800550333583978496767177939671806946696617992281428286438683964215530004423273098709911718412478027633410252594340069758207725677933091494356804233761419720322176497581549509377100016457643684471718615801436083960698514612305915261924535914601973194960611846617976782796515705420472871958687231597843722358573090386272757880205669824996480429028772822125308469123533823481743054167913120685129291595957465078930573 (proven prime)

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.