Factor Info

ID 20729
Size 411 digits / 1364 bits
Status composite
Value 205178948510007429361078640179905198626348813318056713271858373165987434738461392580605655354180000562670847458261331019586405988060858940399627252900791482589282963475201222683897139555005795185865975376034172760585809952121313731004451190701730459769433928319451550371579843307437029642135203784070953530538345967396520082067964152883382497672618851058694955141293468626567454313527716023379601822047492724181

Factorizations

Primary (ID: 20730) 6511902962119352987689 (proven prime)
(ID: 20731) 31508293305898746655500040290565185543286967479392974263073215639783939916901454856336018038114852752948692281952127466485721321113573111543929997762133019601912996632315864831523766444019924114827734754178670132356705977356016964850540686715756488796224577136110261955554988863623841879837363473946042206166131398767256292745435333899410274144496217117365389747430558563032789866989370829 (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.