Factor Info

ID 155749
Size 648 digits / 2152 bits
Status composite
Value 380143337001567788499607258840556874905498090673156333978416471873214817987766676405287183687935316808677943149348216413391866337515776511591951837411327215607263454856580124146386143357136911665325704953702229322496838740339043721185024207241008798069504140838840127178785320779694864212204552239532730871840081138061533129719297702675770421721252509435127376280194198204168124759866083879474502470121549742719130655739711000531031533666144002352892561777832702752344405016770333633884379596010404948104464299959254180123455057128960800379148644160849260895629353302276424008505465680258596833845469736510510637381741134106790629836095018091486401

Factorizations

Primary (ID: 154747) 7231746495781123585793 (proven prime)
(ID: 155750) 52565910215925968547279708730038830511652434958834409075017227897564064239114449220871300044873892093180244525293625261227571927942876431571926386381324042952981141103738806141368867950770994421330631832710010825524669304047191430737114668394212260224257063762701104363456367712738900081304743363085106386059433446823263553643506483411800903757838778451263488478291351250213734633063884511239008786999370888450805230627471242422894256806050287187131933074313712317422816922013192202092874339155207489762733089717749815883604523759885209867538511179387135374504835522502492108353507253824557709208001628847430254255428197803457 (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.