Factor Info

ID 128619
Size 738 digits / 2451 bits
Status composite
Value 507751748107189407687419519980110453177008017761070140482540386570412738233610452934167871510583548729388618427247124892847383091327498925653735377475631020103408962300153978357555513829571769457723163370474471778832516978601107671734077738651123648537557097771510008424043285738685346710075180174290018641501234570009922785924195185722596352955107073521111711329672834626731758914010624972095182304573971483770336116248071349457634858573384148109372975235119335403543031267780964292371223582337782147157948372449273987985753063109828597864493563959881764789951229951031627704916952008962303167627911946937686135573913509781820199101049154825389181017686634391427263122728911315986702901340498648998820034896418448333353207859907351617019

Factorizations

Primary (ID: 48976) 1298518927747625352500518191786323849437759460805370464149748633068889528773180889070333961899237131961 (proven prime)
(ID: 128620) 391023755801481771101100142485495180995239534226070343953779032466286496207151295272240896502174239492705208535369557845551752458774664779446404674385385110412754902317615566704322230028795067278176707939216377535326843324559064784712671604602449779347756696942653344986177132214665800404207519855035640359942787190700171708460357938991735067620452380253241549287739271185363725983808662119834084402555977927017117606381761670439577017364577351596373484867382346851951875341350816936904699725887639020891206154691120180575410905554524083614607412799418637019054032325665692926429818256648313578663383941998313538654345182070561170436179 (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.