Factor Info

ID 15685
Size 393 digits / 1304 bits
Status composite
Value 209209849404104022937919704697925154855005034180385763389323159600180471946774059299168848854075533433939805122859194445126902800163282503953167862275990222002873340747469503448814264200289431210854001463027057700699548279281987448736159467388160633460975910249667516105605366533123284103360876071749118458852150669768162339858770819385161012583676009177497886260114155549403607330163639019573

Factorizations

Primary (ID: 11204) 21535805979875847804128272826013997 (proven prime)
(ID: 15686) 9714512175657616179747465739410740576762264753583965218371887931842967463044356331618846168577887664233449862503760393767686343173417700814392191589819551238672482404655587359215454444275120843829886212749282167170434910444014014968788241762183511053789326029582901505138883465013838047065770568331023715142114649990866430515626371275712242876845086452768809 (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.