Factor Info

ID 189860
Size 456 digits / 1513 bits
Status composite
Value 280903307412183841005643475090485564939551092356911821658397263736567521237521487674765913789335599863161606555676630431208229186279513511006975485129544276792791128364828801316390922954108615780660898932912834720019821963933198386824232829827959747140977277918174245868799893622321693186551948086688912988153093439643183941310330302128753019153486525632800648581621005823539313702269673717429320715754370746078194742432701678150532481471573166809084256951

Factorizations

Primary (ID: 154682) 291085900456038886134880893459441846658670815367779265015895596556789125915380655528060127881 (proven prime)
(ID: 189861) 965018597507120182389636321816553561115545643909775396550017882652058517140900158849097349095335945303525182602457359679336094001733312180046857431846173722571733130450850944082327836950367748111511788810285139293529135603494910600048076132377761123182504606490294517603847493972259725486294337560223897661192139787396080471299816561566500420265795169382407025471 (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.