Factor Info

ID 155365
Size 462 digits / 1533 bits
Status composite
Value 161525971565918571137429419499922440692860196593779511144148979592184886986476840602738151250539114284575042251766342644883724066551610776720197543555213573763185852404027462031801771590525624701751599551775453886958112414715028410047372413915338453201464412330252391952476008621888746118262135121233615393913746748782744407972030886295096962194062612339436669156544934820214871549544237649343306456736232747489081710437691417904120825715477423275354981879638893

Factorizations

Primary (ID: 155366) 7471873838275331998921 (proven prime)
(ID: 155367) 21617866556912076267033375695505919968665586161683497849936596618244805828112518175465266854092902116052960885380983891501722623848020612440811001207201384226910678090150320441307366360011575541177859584909704609048387430416098130486027261649185447340190261395397803902537417618992397160069339227144777256548257307884166430527093866310035885851358789171881500905220261687378735146058757383530424632875263102013259387812830676332298292934533 (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.