Factor Info

ID 155513
Size 531 digits / 1764 bits
Status composite
Value 850655982422868138187352106919519785491856618653639183385742778300892300342125211877464809631842060084208528858952309266916371179636551138091112821067352561388069732301046935432844048291968191174681723086771542641768376517336863315878212458958932220409207496067296032465897548169482721527040849325482449213639764514616682738112627949119338248504825390512474260133570491295437884292873469361064026208833380746386841511221741377428328105304414651326313795972309477694040821965366844183625391507372573042347968034346305183132429719091

Factorizations

Primary (ID: 154592) 650141690025315305584300036801 (proven prime)
(ID: 189467) 1308416296745629679283847023918582206851779912035992299506957729946897379166599599475982130195981026228143192011950160910398586955576783556239716103577739047961237349035766849956178733151759638142541262878553076349125256445669394407436363210312196420298665182687343525368502668286987762831048014182559435333774599343486116013549598771819998186270735467393845235823030757311104334494941384586903512755117664509338004209249756278340678685487820321846228928333644179288708974680241483773369009703951010291 (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.