Factor Info

ID 42418
Size 249 digits / 827 bits
Status composite
Value 645915571537233224202647199913932571212006301766003967935661144924136822379117287779194008537537696247336505264353991933697878789526977641688329942419767074981324564685510561063230580148678761638129504550217936740210797839239579058410843959206644437

Factorizations

Primary (ID: 42419) 1482819856770607190753 (proven prime)
(ID: 42420) 435599488763223795051053268894044933436478622659856193721626718500960443527933327768815908236480820205583884503070556921850030525510407418537736778294066114219585611400866529865128063553128498573915983965450604010761988928154229 (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.