Factor Info

ID 62180
Size 640 digits / 2124 bits
Status composite
Value 2153564325892215745622615396108899091055620216681383972772640270794744504841954287506084627143956813337750061532285606110339526020061634589637774328784977844219849723625894931524525172345925938640351279128929734034361485978428949051131779415333676270762587150202330951830878948861992852151858287487422657645916800575336133681278224604067904741948532881574449828481029780692160355822089846230607083387330513422683515856275561015215995312810452857472263848542087519163970974105014376993406493730661757248901991956826549632804556118061904603650396160793257034177910265024973452685338026843709148968479263687510176792525323184026251257819720001

Factorizations

Primary (ID: 87102) 72386545356458958441346486331202082817 (proven prime)
(ID: 87103) 29750892452281616830611181802944219895846992853569330757360209225389358825134597583150914516925300231789988559796323941333896033351535013893625533541903854375188810055738137231434767783479660594347380947916156522818348951721064290188417384433361964391222162117742122565036667830928571484113147445671436535166141506645624402634961554708670583231471415436151439087371108067311431892986968011322220061355541919590112735567357758574860529087275372406514017920124886524400163901926396339791030338267465507843485432913329024707451066019687909295146401851014486518023540957113673291340922984396259474373497153 (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.