Factor Info

ID 185299
Size 408 digits / 1355 bits
Status composite
Value 637528469186945236021731038028850820696649564403080651959864921439894044017568357291707868000859361121551569513093707663698690766493710921665562604494938038119507564029895160939256651097827072030269218301089993747728781374529934620099531292476151831930663226837914975469781231247671253867389185424994478898751446913774524971393552462965028890658715386683361425817524253984653642298734866393226479384582776529

Factorizations

Primary (ID: 184038) 81304762449964713098732970074199421701803635181833250945475956834009234249456617497281 (proven prime)
(ID: 185300) 7841219259195091939556406498974732279388062602871262677748717852982455161160232576675796782246154717326762922175365314681988988609840680699972997330716350398337869325694859757481833428177354545126807762046544475223114566338559822334515532887331362784972436254586060708917276696664230661425501235717780747314784379070421009 (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.