Factor Info

ID 21672
Size 642 digits / 2132 bits
Status composite
Value 511226432670468442051808456797264795716719422227873985234577113499938830597491461917678448876948544016048747060738257123597825766280782433312724241871374181533806115575930753889585584354353334067013008354376046253076818567230323892002212166513243715804947923989578442128372131805036442451999720777782549713743731521596895731383779094465474028515519885089507261774557055963747298824138676619700826022166663254374179971726846581852485276094879686208966528803518074341612263853889189546703309479179778617789176738879109331135860698790796924156901548223689200486812403034964046815802126916220661639354727274344783626654067384439235164841405911209

Factorizations

Primary (ID: 30323) 980994234475215079222948029061321 (proven prime)
(ID: 30324) 521130924835608328683129314187234292521116767993764350719035824333765724171903203430847032218490263020021676791785307319759070674239936971167340151068232390653367117343377694298933854670214845070136506546680271452597131953243600149618873284217906513635902086459725982948271212126278856238193570700593985442827504459018998763915268075779490373312369557772978612299300056077240945645769477036290162994010440288384761953974526209931829180412597180598592025132409955094649493824979355362735607064355572548588947723413754524228082774339716015615822250446753665816382419935269813390278489326267653323190389355464929 (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.