Factor Info

ID 180358
Size 576 digits / 1911 bits
Status composite
Value 156971991361254120774870144468745056557803661361925284782063204309865541492852748748599362820851749140720547936937760258243744818994135129053622697508516555099680259045198806436399612899103538488821684568669530571290602683810225567961306376319467396363085831672008890449051295913112358047949352638297934234002423446714616516123655734930190313745284198628538034885660771846009058134179972963760259245730596672223732306539961474119525781995552112340319760467666421204667181026254564926632980316405815320892023102575382750342866241936388327661936623939695425680275003931423619391

Factorizations

Primary (ID: 143220) 2142822209434016367856975410751431439543215835681 (proven prime)
(ID: 180359) 73254790187523365737878839873978477375245082132762815343393061828699191382610375644545552302813964200377979611679553257379866479311393260296424102077364943647495390578033782723364380336877360649378626044757824359411936761721804818793039947313857983128605434701600572339049666634888639987779438216066224671533309018163810988803827248329843756580515032847155774674080155582530867053260204625210879967926624391172317065743152636398831978996101142839535891920571957988152503338965077035795610628798806146460904719806424656619394911 (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.