Factor Info

ID 141355
Size 640 digits / 2123 bits
Status composite
Value 1081072349921181407541739344932462328563522322511590163397619126674340361313767144453007016566252086926842680384874918288754035492441535904070779321304592235048944862756561263479428954095842420270684474678814695210497215805741100487759087144223266812875321589250719536434226810078568755535046307208279924172522846874980098678745226921168424110468384439873959451943948688497409680569027139208060898146653113973394024830101807313789272968370230804909099700584205588106536731779518903242468130277826461562138700776885660258856006482673348131024050969427023388500069408763163975184264483475823262218370891156455043789790456725617385641053507373

Factorizations

Primary (ID: 20476) 510854629111063017581573 (proven prime)
(ID: 141356) 2116203491788560189256972184346290213488890739751160840568831804163231026425148292720277111892796817079976708045345032008815465590163955231390588336990479640250555237162577902559372466404164802037929398884247305747349040773810269069639144614309055614084707161481204596990218602322691994215388666978991708105676221510380398323648440294794366030311449691064290158882577045821716346928321750276847859945771265829257996608959718278100160981553622488487871012731118805284265436287429401592011098688750310750753080887727266926991585376197372417269832587346915103387536583165559971147146381841719643124612125998838499534601 (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.