Factor Info

ID 164781
Size 768 digits / 2549 bits
Status composite
Value 137242945987245321804904896781040601324477699306329294269202302187834168837267158071065060869351149593256160202221945614455800302968611818627582424783717256396460707307943354566039263890717789733213804232745807854582147215172252951584623424559958146475261624630868166724842398207161401115430538323671980914429811013532122694618798909440000993725681624506499811567687595675713468832902490674381566605986136699503178898368785480607881977888784078118987652957317147514673295948355949968874776502452868954739161361029261923747309102534808415397559305813394435711929350713655479354523970314344706381373718709486261482707902227973724465100789806874264409928364089686478731038710131482499650299051216661241427418409333902106315595971878141064388430355319320924049735471504629

Factorizations

Primary (ID: 163522) 711722995847507981153 (proven prime)
(ID: 164782) 192831968038097026598357221234273496769483449398133481202393302759000987208651768378969719638589391200205423281866147503017796914531736860016778901747106827243660513725632109105489767903214547435357073487257188777100767530217809733129324527824270473144329389527859025850417626816012484254027007262702465836274371713557289361809043984037883090902177987187500333940639485985933014744266855662541830873869774814817442092672768992654649292405825345256530091770093959867921850409756818384834832460970332796946098312958021341957621104225833114289944904944413822451936802129635752188804217272143417695654301563158949196962238198881528913914614118123994389775289102018862378979032172689934387050076501811492804520031729156296476933719646049431379431695893 (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.