Factor Info

ID 28520
Size 638 digits / 2119 bits
Status composite
Value 64806984774641350183610653199902804779071884330369465578049997958468430924813254937966644425383913201780940415710334732358848775504635478181191058905675821388117366206605673752739172045048493258432785062980850202597316537685570987485196748476382805280723500125122412498593478150271924298440794347229354870741809874211369585058756006961560799904500163932488485252273328516585613852428395505617542898732524339229475420996102641867461555751512097295814901172326362616766067289722751897939963503865067879207851516398408955308810498166553382129698743288930648261178247148772732726897282314752862915329984791725290370966877635146021837103948221

Factorizations

Primary (ID: 20367) 450663669979084462369440511 (proven prime)
(ID: 41393) 143803437223260256115736048213656815043613466271197595672204735985367003949940006910194669731930017415672141073781315774231518334967440838595768171310185632317015809017877403884801486409364593652135055627473652525737706722752118319927575080892689310160019769150920501648747475811101566122874648408464676523471691074470730714481654047066769717042604306695005763087961432809676489519850182741327968853726588359902240820821346832931010098412331477088618573017783892256549686075697269680326398406299310804159902476460600765078003741365709874791919133401759633670708794252386207740104244375015815687252196521983436611 (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.