Factor Info

ID 66647
Size 435 digits / 1445 bits
Status composite
Value 691078096678325992905525800081761687755265237922417529097146688745074192042556175009951773994156358791390264740848072240861369158692980222189065343972707593764356911327244986842439766769071593814304616717246153228024724669563263810128646548060702266055555350196774379000513539909322718973712293995251907659141792126300715641185698723097226715306243881627573652987615257968654816857576661834224656058856583294873478805629776724794373867

Factorizations

Primary (ID: 65729) 1961870762757168078553 (proven prime)
(ID: 66648) 352254648877635914966291004001226372571124249491796686849456602803248103518993110393850970116042336270054197151264765558836122930476203178113469932179813759724213731864296602580212547991744930644445176086228533757039252476664084600988337242729002590240990853228202269035531704729719810982532906782546321257377162881197874871029139887866461909552707345419517983813650188065264998707857225409750192766009640815735139 (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.