Factor Info

ID 159608
Size 651 digits / 2163 bits
Status composite
Value 915507334959129664164582782123798476606754052983706893133324631317704836354183691181165054049114622618737857729692309494978964866575928987583061806049842002419530071837942949459307518866777869318899975768203777177955127749143432182138070797124441117763164051496158760951355306514465629397263441110096741992527377825319408664469433916253008796400822656480562087436986469857278151689941311351462958965570701409729981167229088165650113376454595316373428047016597442956273312131610802635773796850228414814039505383485897685825456546379540676416541359084262520728136932357476453322150394336332347132133643998486005343920581504374379793584490771055701613129

Factorizations

Primary (ID: 158895) 18560847411975948968564462623 (proven prime)
(ID: 193039) 49324651759618483356486110649569138156484640305462627369890965742149122729616822612230974366914928113412697061077004944694701927565473058467221846499893638540653808524335026470039105802468611906810380143344615848546455091810498435029097003087103234742200298332922987273066370206229111192267940804028220807337400846243713942131858393858602656013988544478081482330513732062319630286080908633692803189240358441227323269983958776251130142970263730149972713316087128951240772618662355931519866499997066876991647918712623809805501531653026677478043953557703848597014050305050516899008347565464279500827441504852328061700555113623 (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.