Factor Info

ID 179979
Size 465 digits / 1544 bits
Status composite
Value 418083322437343733020490664260947042867625902253201102493305155877293829629065886041172520718460162998972266211600732381860515923489349739845275277028437575752827169550174745464679655873005578777264565089010548752252086827530469831936591691339362598752219138297527273654436548209472695144374999727864290199555842176773242981632793953936331617980653917637865098577850752534676675014501455110172862671917944192614146767357207635163791613622013453794553190846205521061

Factorizations

Primary (ID: 143209) 128273925551743698644742928265028665062111 (proven prime)
(ID: 179980) 3259300911226073368102176779296041670028500318948724361565668935643372250771096409935552222037709957389847172426111315362058110221769873878668233542626318997738260238653686902083210191682541739649603661230633814123294250770249427151431331516513939134582321498236833819120192842577055647531269180966741049680688741563521209976346521487165685614871725372598920173539735496744463684265915958818099926069199394491793306858419451 (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.