Factor Info

ID 151957
Size 1198 digits / 3978 bits
Status composite
Value 2878258859556429689343391890813215206952108101419751240536734469228704169796483329550879271503771785829937794674698010096643180851321083206942215929095379227551724708659288288216004308185829202006778521731859911329100346038600508128469470602214232333323178288995127447176062918989842134214111876066783126588871281796388243261287704364652909211067878519800235547867837986743732736606950854127863507892339576096658091650518477037755512827467240104426419910971609082307842865598032496304607847983480494798410144491739086156280115512060490463051484621391025095490211200291459281958745126376279806045212646841358981744515983678807179883980294716540014351492166752119568368598075968132179846436798810280294333085768084990099921004876365204525662040416908311591192652686786704813395424807108414386347318529096084289633656018875643806473028016070498643342293160053881940556157965077290276878645543043650619873679243564472540434827754400764566926603142470857467648520795816525291509560219504507420253899384366411936455944469149618314061560162193966456916581065351255232829782111140120680111405660822280482791270611259022023780527847307620545346471740698434085105773145781889163253436549966580422104205018089

Factorizations

Primary (ID: 149616) 157193380600163813309 (proven prime)
(ID: 151958) 18310305742946978885514458124647177105111305894776678126259471105037190643905378931607742843454606871561425192300835312903350204399448706892774312397754379482106823775422275402873246129422419377948961757711395452172463718122826513014895533856114108723690663517440211556165651028216175405334087789230425987909703057507939114900808434960717910627859173567800473075770795245543725617363666959207155684463839846367601500355027981410999637341247648979156506361209099048868815114991734855492457272015381788590022802156414823466640432213287289291476920095988749259790133209008940670318700323151458590494222357232475266422229689124415318080173554907279687285817632440158827867701623856123177169002585422586469696028275582811438721765693229861502790975375192915017574886476258657917599677390073468105416635530597081832488701754881147002531268345775996148393825165638318825116019414454599683248083874081828859060470895186652344738675571861454805692365460009599470542077750540413950035685648694053939824123865568833372666200979887649502758933119354819139585257195511343554379727730122001813283830583458693414900696155814531994592400090104684689130350022786557503021296142266441384968235421 (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.