Factor Info

ID 164885
Size 669 digits / 2221 bits
Status composite
Value 312697501579798995416180292017923643133368170141945831959282684134196499405282343573535861761686529680302747641743881842206931591485821081728703785615340653526398489512175284577697655887899775110466039843052721490418301579980487298658609181508442543812178692750376953657725002867237731195935226275400456297469436566381757715745368888694301948978794265541322430680830515717945504506430079070768085213293788649707930261539575791055703797479684239909445558009240229726342878306864263913613444022896984649020985291039019619477286519105399828592330508961714630160661799495757764270091827992786787383498345315858717866242478276847671735528613913012746117074402182608248576473

Factorizations

Primary (ID: 163576) 39062939873663318737517519174680310740769729957650700938800912989 (proven prime)
(ID: 196538) 8004965898396787866939277999079806210621516762062848820848984495853113165402003235597554228172366301312705636032829938079556312760093627048699168948194953133868607326040003435763269740202167390424619485131259285628964575294573076609141897995049348725810586434290452418435274162544455661112128513052065030323179450206144261413287072994416045338315424457858401031497457336662998404969453076216254993628366940159820351415904614311179459482657532463364015696829403572332052257108053364326322901765901975672933296460424197825808217548602193867056502772048267443553889351629469830527775033748108877601637014957 (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.