Factor Info

ID 51297
Size 524 digits / 1740 bits
Status composite
Value 42379359735521984605593632913970283371925532671605277606967228426710661148888319619585653109699698214444301978120174873772641292599630417343030758725464315461198916543489275833216209202465238612017892060901784412448499682523548622340696917518031007811117254876324768331350223762185506081946121960468178161827943660965012951233538908203067250551107376198480306176470129272378831055311705863528478523084839123849989450259781306773135781872093035325493068211451282866792653428603203293293911752258531794584115265532580072311383

Factorizations

Primary (ID: 50223) 42534656091583268045915654719 (proven prime)
(ID: 74242) 996348945299406960784464574754613882355673605390981304974267269834472249551684132783122854729871113733061122095648301351419126538165990432875275484701523340106263206424467419298421071703739676356046832228520477873097576187876440000689385023136051260776345460702493460682013998844106846027480213679129022169901318588441625548579086066246771789463096736620397444927297487863286179034103646161507498348725488123340591030512171927787578682969983106690859449095231874495264144290853997675360752519657 (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.