Factor Info

ID 178917
Size 856 digits / 2842 bits
Status composite
Value 2221503052894680889039418764540231018912538113416543408904225170358231571160358406692349769609351572111546415969669368264000022369348091490025635646311730112665554661120012569865939176682946854443968028906454521732213270085966208626675660456551782137554420299011665771739175716395556823559864178490707455165237910951090057028582443534975379311980212624605059450291787083865537743634605680577837542456682062985966909304749923684656378700216389100228823064209948295087331692582615457885794496397565320948026534868079903728123635726439224105045983388321800899519457365575102612396839887493337255276403918628711332300702596707745669576429611560668981704218920557718520067160744877463681826905122417756764558721441266331866089797406217320475188710374156817102696087573411688892494203248553758717948561000128627144296669962464964224160673348255137438953333044201

Factorizations

Primary (ID: 30427) 122515116543117574751477696008576308350159849162039389265200248664706810525983995317855050309136882282571227567572775657339729 (proven prime)
(ID: 178918) 18132481244572397509386534256626641640927874060549762452115831556506929512471497652047131231177983193107601836522221105183431181610463382874649339247359679037252919037863978084026024850579714947986855441332826201066703993653208395419102921819264138074642643418490599234382894180802386291157256733558683469853994796610084536666633564024321580553196765262494620359870711069184039151274838763852654819382123015437369438543383116252164591496338515087177542041213067788117352495090255604064785392598528297782545918222021903697682574330604091314312999878284876877828961840897902302981212853601844908370323574124423236618525466357998963069884839284229571162105122598722803036652834924663589449649398828195040401520339396996719783330470169 (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.