Factor Info

ID 180161
Size 630 digits / 2093 bits
Status composite
Value 647617902259979164388006723893970780132029518847836196828710544514561442207933411008649816952024636945375501538668865024308210611273362352310211889093569492125012110450279174161459096665191311251003236993397620959774832262012852535550751389251991423837753325922170462009212462167111947018949809156725177697103095606927149209799452544807450202951543636544051858167718994219732021544006653689871397970697231114961320088848333348270150593701752773713334391677454282351381158056394938384193306848428436712837587626468106641220205026912266300589635857126332692961155600589050681649235705574953959259998240798448732346575798457816941903

Factorizations

Primary (ID: 179121) 155208883640836626342324174984913 (proven prime)
(ID: 180162) 4172556925018601295763362818242632899930095287578584625344864049582801883249345815488404377547734429284358973448069406744087380132273866342857890948274936000493494717918983705148658437092919166899291614075204438496347346524528308612796777279085799204092311950841382518973177377422939482833169034432836910119858939692182590848759798534384768990370056542779463435465568315397189597098415899168667209800048070905136221607859792303331318570162993058634891117717688114126447483469026263329763934125214671681850602847653443708023617452165714034121778088008054580262055211572069702416920215757400792179231 (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.