Factor Info

ID 161880
Size 563 digits / 1868 bits
Status composite
Value 18768984180535403862744614542731553275391406822494715691783889757698998374259522938941636565440213607338139427469156510633415394300823616327180770738750235785041147880232327294089114395444219120422974593157462710806157882742439210155508746401584043770377304728664825028969088682943935159733314941453981975793895789157204366923753035741069395554847579420951001719796102322975831209604553364113049658337047313821446462895472935970564136190878814267735291129200299838648134500745771664692835940888321123394665796409413116084212871927034796528359154246642956842822401

Factorizations

Primary (ID: 161881) 432625478234956424047951 (proven prime)
(ID: 161882) 43383908541655690122285948110217845757367369899853773484689420586465009511685252842202001965787542870462427584112674082800547437113124091864851289430822361783266602243209495679597529768134449167915566256924033394754209180136740668173845377630186338063647440987814575269261395788143443057614181410166651585689099142077949802425348670634518603116826566940078308992480858584088731810055144254268369609350770210444448076323741578027998200812166806131686356534586226789149551318205644201556343723739332158429190262390566832239282716075253771951 (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.