Factor Info

ID 91228
Size 551 digits / 1829 bits
Status composite
Value 19905972760325805638611974522793629523207068793101354180042320363912261011600605884589368609637178360758184241228916785415755355583284984637914510955199238169991295347331414484878965019563313983504210819301812142965795336000275403132481819425355051988354831561267916151976708823451488248890696896921737423893950805306255084699121274871630153901073201721022605434824387764191898306920743963236355658722123056368750747482344238401247027209994151782804722741429539720761126071765738282235967914153976704040696379880122057964790960512201917698898220175527

Factorizations

Primary (ID: 89958) 28578524388884818072991473717378793829824706187183609 (proven prime)
(ID: 91229) 696536059365889816801928757318267412045924274680324558479781818632381953170279448290988433729527476602460892370780081219667300850078667245316059625672053621938827037595818878969330794213916932039211753788149698478750921802314061307829799192114877280945350272610980054444185284732087862560209736777804170873371324411883749987422760128246157185638881817500821070977635508481908267310266273511982903491627678787604925894437596197506334705399996890556859043172029072366815117103207182748873877329638303 (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.