Factor Info

ID 175813
Size 756 digits / 2511 bits
Status composite
Value 728813053136244892948741448927067068701337380842670624227574088060290528496540809274533250238986545874464875914701705554473689386887829922625469878447746361880096405355551907927978752764143476544835277177160537507223375641092955039331139049433281598508830117228371800923614755366206991168241131718535285829172803825665840532932444555919494502700338368394020331918995270683562116804654174551962022995373103849516697930577383844656283604223669953265817214917172807565400142318768895319219919975421812704877398760993972596578558567265606612197534813601528634991974042870712793738440167778082450639007206283419783898900711885786977084632247001326208084210885028081960178892740375799359601395167095139854947689464726506239547500792820389149388435354020119209881

Factorizations

Primary (ID: 138859) 439095708625447409048035755792911574463954575182611099 (proven prime)
(ID: 175814) 1659804545614288810967225926318624575987454887352367523686322374171237692186571025516086581842147218519797085486260974404267003381211884044312586238143536407289313270304793583241136568759731975452829395856199756355077844605367517673452505993626800620237675677833914676825760973283258965224983899967844759691634414881936170277000565039554016980649716286299713466822388482783450613633469411166815169245951721405414369072636123536036376328831897736699574488977385013431858075241049447045150418801558071941732765400207982028909006033368856372460959697436207426272734814815351695246985183004478017544557466802762250088441731645993259954052711748129270739922904102072796966491431685825262923921740578611501019 (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.