Factor Info

ID 2857
Size 306 digits / 1017 bits
Status composite
Value 862943875018232194546725277805655044431531468753733706856473282088114642021649405898737051035922180198592723652050916532074885324341925056677176033236975319763214435092967108650688235132344918252581097258678688905830150679963732193794271873442956095972723893039642479239351094374525885904778499128377320023

Factorizations

Primary (ID: 2148) 1900381976777332243781 (proven prime)
(ID: 2858) 454089696473343963092432303893216776196876543248579174952777043798821373292420384350203985637398877518097633610905856414354350225545628275015532656906126527556318317734943653181813380645808042084254167370355506431056462746762041814141419491959790459641388898342195349402634342956930283 (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.