Factor Info

ID 27909
Size 652 digits / 2163 bits
Status composite
Value 1289131896895099991127639861894373624418761923237779834616694191823963391787566267910877311897860184398139668640855667823166801892741423851846616135981643929347605276850033769367305472255118365569917030098298248227770650309868995870126712374976005182718860961000402522006877476765269119607028462628352748269006845161270049499021699447706419649985585581020649399311384511790576259677547350098285094358980871874663853497022654332532835947872646733426833703333399668428582345630718809682186840508913112300720962734766186206189122346159069246738258180776402445047042657859743090165400616440146448915588259624245913140363735382556503161751099657535413096597

Factorizations

Primary (ID: 19491) 1299823520026173021751 (proven prime)
(ID: 27910) 991774557879320612733777886296587253805284689883796502551068083688958451717271026174034682821745743093814559726592423345195515298427452250281808388987686776511796218287552952602354668004540081556931527733055149984973143236883208936730833738127981780525461376354366870661214251282065857106626115916171885404034103885068632605518635731714065763591958650877091869866522934631106300832829254947928857953239379375942612486121475575242563992082254265533720662833115273907563299272847311369553680137081928038454805595875578413058562224250551671203919707663262512884760330176505299955850161532109530760076947515727377844802283088121299347 (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.