Factor Info

ID 78277
Size 610 digits / 2025 bits
Status composite
Value 1987173970721176803490905208722376577503749906789041613767315425056537909976714194735145551382418582003309764471775818815143596851160312440307911110843108750339824100428128666000004058159411549859349983911646721297035706226801258626817241875384122553122264873317635484053623240716902329564703305214140000462741881589234947800592930871011105123796463312833807062061792661697093067470560971442766634257954760092388676494443625246000413116009636546982180816865345636131052707405547333844570845316196450047219609380979189707201957872972527719244576327558788887992510426535376691540162494074425558388623697119873057

Factorizations

Primary (ID: 76673) 1908881874929934427542161644841657921 (proven prime)
(ID: 78278) 1041014636274502889246861664208943647832627362769129528431516719230230503639365430144276129430872138651547958953422077887539087793939023308371427563088980541486612566493966746943125889195434240290619960483927686307053628411695366595619513276570070495152268909517436522996760026392119280385755826562897786559907148848367414378432710926896749390864254626201961209638322929031472719550377018556215002398346088880634775340522645178273982931477303177589396692120322318081522963206885861210810774179066635212183295024204539949315411599741531339400011523917117640020544934238120417 (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.