Factor Info

ID 7161
Size 256 digits / 850 bits
Status composite
Value 6471296218744333732608306454950801316192166089345999957669308161724641234948204839316272964053090402997037618009800358509489965338902659941946020949883126976466610477084955833828995783793956592807414154433802991389871948270790604523148974165388366951871261

Factorizations

Primary (ID: 16639) 154593500445308877590595293456916511 (proven prime)
(ID: 16640) 41860079499485222307790780950329804339254636245435997529042203803559017464055721228065828012877736510442196227999749027441133636793780515165996915707368994923112234114211497494818757357039023864566980225773307642997757251 (proven prime)

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.